Customers are impressed with the RPT-02 SOL Self-charging headphone's sound quality, solar charging capabilities, and extended battery life. Many users have praised the headphones' ability to withstand sweat and provide excellent comfort during workouts. The intuitive controls and stylish design have also received positive feedback.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 2 Showing 21-40 of 47 reviews
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Adidas headphones
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Awesome headset. Honestly I gotta say better than beats!
I would recommend this to a friend
Rated 5 out of 5 stars
A Good Set of Workout Headphones
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Posted . Owned for 1 year when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
These were a gift for my wife who runs a lot. They are the best workout gift/accessory that I’ve gotten her. She loves them and uses them every time she runs. She has had no problems cleaning, charging, or connecting them to her phone.
I would recommend this to a friend
Rated 5 out of 5 stars
Great headphones
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is a great head set to workout in. Sweat proof, but a lil tight on the ears.
I would recommend this to a friend
Rated 2 out of 5 stars
Stylish,solar, and sore ears
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I was really excited for this product. The solar band was such a cool concept and the design was fantastic. But the earphones were small and heavy and pressed into my ears. So was uncomfortable and not the besf listening experience. These headphones have been out for quite some time i thinm the tech is there now so gen 2 will be right if it happens. Also the app sucked
No, I would not recommend this to a friend
Rated 5 out of 5 stars
gym
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
good for gym. amazing price and very interesting concept
I would recommend this to a friend
Pros mentioned:
Bass, Battery life, Sound quality
Rated 5 out of 5 stars
Awesome Audio and No Charging!!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I have used these headphones for probably close to 100 hours, mostly indoors. Right now I’m at 7 percent charge, but have been for the past 2 hours. According to the Adidas Headphones app I am at a negative power consumption, but I typically don’t keep my house very bright. I have not used a cable to charge these yet, and don’t plan to. Of course I will have to venture outside tomorrow, for a good charge. Indoor lighting is ok when it’s mixed with light coming in from a window, otherwise you would have to have several high lumen bulbs in the room.
Most artificial lighting will help sustain the headphones, but show as a constant negative on the charge vs usage meter (in the app). The app displays real time data, so you can move around the room or different areas to find the highest power of light sources. The app takes just a couple of seconds to update the data, so get into the habit of pausing a bit before moving on to the next area when trying to find the best light source and position.
The light powered feature that Adidas uses is actually made by Exeger and it’s called Powerfoyle. Powerfoyle is a very flexible light-cell material that can be screen-printed onto plastics, making it very versatile for many different types of applications. It can even simulate wood, leather, fabric, metal and more, actually there are 100 different textures. With Powerfoyle’s DSC cell type, the headphones can still charge even if part of the foil is shaded.
DSC or dye-sensitized solar cells are low-cost thin film solar cells. This technology is just starting to become popular within its own improvements and availability of low power consumption electronics.
Kudos to Adidas for coming out with such a green product. Technically this headphone could generate its own power for an endless amount of time, and 87% of the plastics used in the construction of these comes from recycled materials.
The inner headband and ear cushions are removable and washable, so if they get a little dirty, sweaty or wet from a splash, no worries. The headphones are IPX4 rated, they can take it, and then be easily cleaned.
The headphones are a little heavier than one would think, but they have a very sturdy build and somewhat compact design. It is a little disappointing that the ear cuffs don’t swivel, nor does this fold down at all. It might be part of their tactic to keep the Powerfoyle exposed to light. These ear cuffs match the size of my ears, so it’s a little different from what I am used to with other headphones, especially since the cuffs are so firm. The firmness and size of the cuffs add a bit of extra pressure to the back part of my ears when wearing my glasses. Just a little bit uncomfortable but something I think I will hardly notice once I get used to these.
The 40mm drivers put out an incredible sound and volume. The app comes with an EQ which can be adjusted to your liking. The bass feels very heavy and is very pronounced. Actually all of the audio tones sound very rich and clear. The driver impedance is 32Ω +/- 15% and the sensitivity is 105±3dB @1KHz 179mV 10mm. The overall sound quality from this headset is exceptional.
The mic works great for calls or requests to your virtual assistant.
There are two functional buttons on the headset. Actually one of these is more of a joystick or control knob. It can be pressed in like a button, or moved up/down and even right to left for different features, it’s on the right ear cuff. On the left cuff is the action button, which offers three functions based on the number of presses. The left button actions can be changed in the app as needed.
Overall these headphones are pretty impressive with the sound quality alone, let alone adding the ability of light charging and never needing to find a cable or be tethered to a wall outlet again. Just as an FYI the headphones do have a USB-C port which can be used for charging if needed. Once fully charged these can go for 80 hours without needing a light source or power outlet again. It takes about 2 hours to fully charge via USB. There is also a small series of rings inside the left portion of the headband, when you single press the action button the rings light up based on the amount of light available for charging. Low light will get 1 ring, and solar light will get all three lit up.
I would recommend this to a friend
Pros mentioned:
Battery life, Comfort, Sound quality
Rated 4 out of 5 stars
Effortless Charging; Above Average Performance
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This reviewer received promo considerations or sweepstakes entry for writing a review.
When it comes to headphones there is no shortage of options. Wired, wireless, true wireless, in-ear, over-the-ear, and on and on. So how do you set yourself apart in such a saturated market? Solar charging, of course.
The obvious distinct feature of the RPT-02 by Adidas is the ability to charge with not only sunlight, but natural light as well. Now let's be clear, this is FAR from fast charging. We're not going from 0% to 50% in 15 minutes, but the good news is, you're not likely to reach 0%. In case you do though, there is a traditional charging port (USB-C), although you'll need to provide the cable and brick. The associated app provides the ability to see the current discharge / charge status.
Battery life is quite good. Of course the drain is increased with use, but the ability to charge virtually anywhere, and while in use, helps negate the drain speed. Unless you're listening non-stop for days on end in complete darkness you're not likely to completely deplete the battery.
The overall design and build is solid. These are quality headphones that provide enough durability to withstand their intended use, standing height drops, and occasional bumps. Adidas put some thought into the cup and band design as well, offering removal and washable liners on both, and cup disassembly for further cleaning and care. The joystick toggle control is intuitive, easy to reach, and easy to use.
Sound quality isn't going to impress the audiophiles among us. However, once you adjust the levels using the equalizer in the associated app, you will find your listening experience much more pleasing. Out of the box the RPT-02 has quite a lot of bass which degrades the overall sound quality.
The on ear design and adjustable band length make for a decently comfortable and secure fit. I had no issues with the cups shifting or the band sliding.
Overall these are rather nice headphones, providing comfort, above average sound quality, and nearly endless battery life. The associated app provides the basics of what you would expect from a headphone app. I would have no problem recommending these to family or friends.
I would recommend this to a friend
Pros mentioned:
Battery life, Comfort, Sound quality
Rated 4 out of 5 stars
Comfortable headphones that last a long time
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I'm not usually a fan of over the ear headphones, I generally prefer earbuds, but I will admit to liking this pair quite a bit.
Sound quality is great. They do an excellent job of blocking out ambient noise (be careful jogging along the street with these). The battery seems to last a little bit of forever. I've charged them exactly once since getting them, and I've used them for several hours with the battery only dipping down a little bit.
Pairing with my phone was a little tricky.
It took several attempts to get these to connect, and they only want to reconnect when I have the Adidas app open.
I'm also not a huge fan of the button setup.
These headphones only have two buttons. The action button triggers a light meter that flashes circles and rings to show you how adequate the ambient light level is for charging. It can also be programmed within the app to do things like open your phone's digital assistant or open Spotify. The other button / switch is on the other ear piece and functions as a power button, play/pause button, call control and volume control.
I'm not thrilled that they crammed this many functions into a single button / switch. I personally would have preferred dedicated volume buttons.
The headphones are comfortable and fit well. I'd recommend them for anyone who spends a lot of time outdoors and can't easily charge on the go.
I would recommend this to a friend
Pros mentioned:
Bass, Battery life, Sound quality
Rated 5 out of 5 stars
The headphones I never knew I really wanted
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This reviewer received promo considerations or sweepstakes entry for writing a review.
These "look" like headphones made of recycled material. These "feel" like headphones made of recycled material. The battery lasts a long time, partly because it charges some whenever there is a good enough light source shining on the headband. You can also charge via USB-C port.
The Adidas Headphone app works very well with these. You can play with the equalizer for custom settings or choose a preset. I prefer "ROCK". You can also see the light charging via a chart showing the (white) drain (yellow) gain lines. And above that you can see the current state, like mine right now showing "Draining -3.8mA" because I am using them with no appreciable light causing gain or charging. You can also update the firmware on the headset through the app and assign custom actions to the "action" button. Thats the button on the left side that by default on single press or hold, shows the current light condition via turning on the circle-band light on the inside of the bottom of the left side of the headband. Double press by default is your default voice assistant on your phone, as is triple press. As of now, on my headset/phone/app combination, I can only change double and/or triple tap to "Spotify" "adidas running" or "no action".
The right button is a slider button, up/down/right/left/press in, the usual. You use this to answer/drop calls, play/pause, etc. Its pretty easy to get the hang of it.
The sound on these is really good at mid-low to middle-high volume. There is bass in the rock setting, pretty good clarity, you can hear the soft hiss in an old recording like "Nights in White Satin", with pretty good tone reproduction even in the quiet parts. They get pretty loud before distortion creeps in.
The band is pretty tight and these are definitely ON-EAR headphones. There is only a little padding on the cans. I was expecting that my big sensitive ears would not be able to tolerate these very long, but surprisingly I was able to stand them being on about 1 hour 15 minutes before I had to take a break. The band is a very open design, with the exposed wires that say "left" "right" on them, and the expendable headband only down at the cans. So if you have long hair, you are going to get some stuck/pulled out occasionally.
I recommend these headphones for those wanting something that will charge passively, want something that heavily supports recycling and power use reduction, etc.
I would recommend this to a friend
Pros mentioned:
Battery life, Comfort, Solar charging
Rated 5 out of 5 stars
Excellent technology! Superb design!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
First off, wow, I was a little bit skeptical of these but having tried them I'm impressed with not only the sound and comfort but gone are the days of recharging headphones. There's so far only one thing that I can say that I wish they did and that would be to give the ability to change out the materials on the ear cups. That said, here's a brief summary of what I liked and thought could be better:
Likes:
-Overall good comfort and design.
-Environmentally friendly designed packaging, and no wasted extra cables/chargers that aren't needed and made from recycled materials.
-Audio clarity/fidelity, excellent bass, mids and highs .. for me it was a nice balance and not overly processed.
-They seem very durable and feel high quality/well built so far!
-Super easy to pair, phone recognized them without any hassle.
-Battery life is excellent overall.
-Solar/ambient light charging DOES work amazingly well! It doesn't necessarily charge fast, so if you let them run down and you're indoors, you might need to plug them in to top them off but other than that, with normal use these so far seem to stay charged, especially when I leave them out in the room where the ambient light is bright. Obviously, if you throw them in a drawer, keep them in a bag and don't have them out except for when you wear them then they won't charge!
-If you need a cable to charge (though like me, I only had to do that once right when I unboxed them) you can request one and there was a note in the box about that, which was a super nice touch if you don't have one. I have many so this was nice to see, no waste and packaging was all paper/easily recyclable cardboard material. More companies need to do this, PLEASE support those like this that do over those that don't - that's how we all do our part individually after all.
What could be improved:
- I wish Adidas would have designed a special clip/holder so you could safely/easily attach them to your backpack or bag when not in use without worry of damaging the solar charging head band.
-Charge status without them being turned on.. would be nice to see how much they are/are not charging without turning them on.
Overall, I really like these and they will replace my other headphones. I'd absolutely recommend them, and think they'd make an excellent gift or purchase if you're getting them for yourself.
I would recommend this to a friend
Rated 3 out of 5 stars
Solar headset
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
They were not what i wanted so i had to return them
No, I would not recommend this to a friend
Brand response from Adidas Headphones Team
Posted .
Hi Steve, thanks for your review and trying the RPT-02 headphones. We hope you are able to find a different pair of adidas Headphones to enjoy.
Pros mentioned:
Bass, Solar charging, Sound quality
Rated 5 out of 5 stars
Secure fit, good sound, stylish, simple charging
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I usually wear over the ear headphones but when exercising or working out doors, those can slip around and need adjustment. These fit great and are a huge improvement when working or exercising; the snug fit on the ear rather than over took some getting used to, but I really like these now especially on trail walks. Another bonus is how breathable these are, no issues with sweaty ears or ear aches post long or repeated use.
The sound is good quality and clarity of an on-the ear, probably the best I've experienced in quite awhile, bass is sufficient and the mid/high range is great for listening to sport broadcast out doors. They also look pretty sporty and I've gotten comments on them as they do stand out a bit with the textured over-head strap and the triangle pattern.
Of course, the main thing that sets these apart is the solar charging feature built in. They actually keep themselves charged if you are using them out side or if you leave them near a window or on a table in the sun. I have only used a cable once, when I first got them and have not intentionally charged them since.
I would recommend this to a friend
Pros mentioned:
Battery life, Comfort, Sound quality
Rated 5 out of 5 stars
Audiophile quality, Earth friendly.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I don't normally associate the Adidas brand with electronics, which is why I didn't really have high expectations of these RPT-02 SOL on-ear headphones. The main reason to get them was to check out this new high powered solar panel called Powerfoyle that supposedly charges the battery using any light source. Unboxing revealed a missing charge cable, this was deliberately done to suggest it doesn't need one. They feel sturdy though light, considering it's made using 87% post-consumer plastic, adding to the earth-conscious attitude they're going for. There's even a light absorption indicator above the inner left speaker, whereby pressing the dedicated round button on said speaker housing will illuminate the bullseye displaying the quality of light available.
I downloaded the app and connected the headphones with no problems, just make sure not to connect using the (LE) Bluetooth selection. The square peg on the right speaker is reminiscent of other neo-classical headphones I have, though the shape is more reassuring than the usual round joysticks. The app allows you to control a selection of EQ presets and gives the ability to customize your own settings. Even the round, left speaker button can be programmed by double tapping or triple tapping to launch Google Assistant or access the Adidas run app, for example. I like that the charge ring is prominently displayed around a picture of the headphones telling you both how much milli-amps you're consuming while simultaneously showing the state of charge coming from the Powerfoyle panel carefully hidden in the headband.
With all of these gee-wiz features, I expected the sound quality to likely be mediocre especially considering the outrageous 80-hour play time; it must be feeding the drivers with an anorexic level of power. I'm happy to be wrong on that; the speakers deliver clear, rich sound with crisp highs and tight bass indicative of high-end headphones in the same or higher price range. They feel quite comfortable on my head and the sock-like earphone covers appear to have a moisture-wicking property that, although warming, prevents sweating. Both the covers and headband insert can be removed and washed if you're planning an intensive workout. My indoor lighting was apparently only good for 2mA charge, though in front of a window in full sun, I was able to achieve 7mA. I haven't ventured outside with them yet as the weather this time of year isn't the best.
The only thing I would've liked to perfect the package would've been a way to fold them for easy carrying. These headphones are made by Zound Industries, which makes a couple of other successful brands of audio equipment. The Powerfoyle solar tech is made by Exeger and does an amazing job of being both useful and aesthetically pleasing. If you're in the market for audiophile quality sport headphones and want to save the planet at the same time, these Adidas RPT-02 SOL are for you.
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Solar charging works!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The headline feature on these has to be the fact that they can charge with light. (Sun is best, but it's not limited to that! Lights will do the job, albeit a little slowly and it's important to note that you can still just charge the things with a USB-C cable. (Though there isn't one in the box.) The battery life is excellent - you'll get hours of use on a single charge. But there's no denying it's just kind of cool having the ability to charge a pair of headphones while they're sitting atop your head when you're outside. You can even see how much power the headphones are receiving from the light source by a little circle indicator on the inside of the band.
And speaking of these generally have a tight fit. The earcups use a fabric that has some texture, almost like little ridges to them, and this adds up to make them stay in place very well. Jogging in these is not a problem. Other activities with a bunch of head movement might not see the same success rate, but it's nice to have a good alternative to earbuds if, like me, you struggle to find buds that stay in your ear holes. Also, they're washable!
Sound quality is excellent. Not too bass heavy, not too bright. It's a good balanced sound. I'm not an audiophile, but I have no complaints. Other features: there's an Adidas app you can download that allows you to basically map the little button on the backside of one of the earcups. You can set it to long press to get to your voice assistant or launch a specific app. There's a square toggle style button on the other earcup that lets you adjust volume, skip tracks, answer calls, etc. It's great - kinda moves like a joystick and is sooo much better than trying to do those things by tapping the side of headphones (hello Sony). It's fantastic and makes for a great user experience. I don't know why so many headphones make it challenging to just turn up the volume. Not a problem here. Lastly, yes - if you want to use it for phone calls you can. No complaints on the other end of the calls I've done.
Overall, total thumbs up. If you like over the ear phones and need some that you can be active in and are simply different from the rest of the flock... this is a great option!
I would recommend this to a friend
Pros mentioned:
Bass, Battery life, Sound quality
Rated 5 out of 5 stars
Favorite Workout Headphones
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This reviewer received promo considerations or sweepstakes entry for writing a review.
These headphones have great sound, have a unique solar charging feature with 80 hours of battery life, and have machine washable parts.
I have never worn over the ear headphones for working out and going for runs. I sweat a lot so the sweat proof in ear option was always my go to. I can't not pick these up now when I have to work out or go for a run. They have a great bass but the sound signature can also be tweaked in the app to tailor it to your preferred sound. They don't have active noise cancelation or any ambient mode but I didn't have trouble hearing cars nearby on my run or blocking out sound at the gym. As long as you play with the volume, you're good to go.
Having machine washable parts is a real game changer for me. Since I sweat a lot, I could never wear over the ear headphones for fear of damaging them and not being able to clean properly. With these, I can take off the ear cushions and part of the headband and throw them in the wash which is the best thing ever.
The coolest part about these headphones is that they charge with the power of light! There is a button you press which shows how powerful the charging is under certain light conditions which is helpful if you are only relying on that to charge this headphone. I left it in my room with the light on for a few hours and got back 4% battery and left it on my window which doesn't get direct sun but gets some light from bouncing off the neighbors wall and I got 10% back. When I left them outside when I left to work I got back 15% back. Running with them during the day under direct sunlight was incredible. 30 minute run and I lost only 1% of battery life. I have yet to use the USB C charger to charge these headphones.
Overall, I love these headphones and I can't not use them when I workout anymore. These are my favorite workout headphones now.
I would recommend this to a friend
Rated 5 out of 5 stars
Surprised
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Supreme sound in a little size, i was honestly surprised with how good they functioned
I would recommend this to a friend
Pros mentioned:
Battery life, Comfort
Rated 4 out of 5 stars
Solar Powered Headphones?! Crazy!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Not a fan of "on-the-ear" headphones, however the quality is top-tier in spite of the fact that it is made of recycled materials. I was curious to see how solar powered headphones would work without burning up the battery or my head or something like that. So far they are really soft and comfortable and there are no signs of battery life decay. If you don't feel comfortable charging with the sun, there is a conveniently built in USB-C port to charge normally. (Wire not included)
The functionality of headphones are pretty standard, connects via Bluetooth and they have a companion app for sound presets.
What I really like are the function buttons. One omnidirectional button to control everything from phone calls to volume to track skips, and one customizable button for google assistant and light exposure indication ( there's a little ring light that tells you how much light is being exposed to the headphones to indicate charge level)
The app is necessary because the sound quality is poor, not as deep a bass as I would like for my preference. The equalizer presets provide good options to satisfy the sound comfort.
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Great sound and always ready for use
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This reviewer received promo considerations or sweepstakes entry for writing a review.
These headphones have a pretty good quality with sound. They aren't the usual plastic type of material over the ear so it does help when using them while doing workouts that you naturally sweat alot. The setup was super quick and easy. I had the app downloaded and the headphones in use within 3 mins. Once i turned them on they asked to connect to my phone and found the app at the same time. I did NOT search with my bluetooth. They have a tight firm fit which works for me and my youngest however my oldest isn't a fan of the feel. I can't say how well they hold a charge because they are charging by simply being in the light. In days of use the most I've noticed was a 2% drain. YES 2% drain only in about a week with use of a few hours daily. There is no charger to keep up with and always ready to use. I connected them to my laptop just as easily without the app. So it isnt necessary to have it but does give the opportunity change the quality of sound. I wouldn't say they're noise canceling but they're great canceling out any extra noises I don't want to hear.
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 3 out of 5 stars
Needs more work maybe the 2nd gen will be better
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The Adidas rpt-02 Sol feels more like a prototype than a fully working product. I'll start off with the good things about it. They sound very good with apt X HD. Great battery life, with 80hours of playtime. The controls it's a little joystick . You have the center click button for play and pause. Then up and down for volume. Left and right is for RW and FF. That's found on the right ear. On the left ear is your voice assistant button . And also shows you battery life on the headset but you have to look inside the left side to see the meter. It's a bull's-eye center and 2 rings around it. Super light weight and the band underneath can be removed which i assume is for you wash . The whole design and feel of the headset material is like the Yeezy 250. I couldn't find a way to remove the ear cups . Now here comes the bad parts to this headset. The cushions on the ear cups are not that great for me it's too thin since these are on ear headphones after 2 hours straight my ears hurt a little bit. They should have added more cushion. There is no USB cable but does have the port for one and if you need one it's $6 on their website. The headband has no cushion. I got complaints on my voice asking to repeat things. The biggest disappointment since the whole thing about not bringing a USB cable is that they charge using any light source .yet inside my house i have bright lights and it never charged the headset i would constantly check the app to see the readings and what battery life and not once it went up or indicate that it would charge . I only managed to get a charge outside on a bright day. So now i wonder if on a cloudy day will it charge? The top of the headband is the solar panel . So for me this a complete failure since they advertise it can be charged indoors and outdoors
No, I would not recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 4 out of 5 stars
Good for exercise with a few caveats...
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I think these are good headphones for a very narrow segment of the public.
Battery - The battery life is great, but at some point adding to the battery life is unnecessary. In my use, I'd probably get over 80 hours as they indicate on the box. But I've been using them for more than a week, so at some point running out of battery is a problem of remembering to charge the device, and no amount of additional battery life will fix not remembering to charge something.
Sound - The sound is very good. I'd say it's comparable with headphones in the $100-$150 range. There is no distortion or overemphasized bass, so you get really good sound from these. Is it worth the full retail? Probably not, but the sound quality is nice. The only reason to spend the money on these is if you really want the other features for exercise.
Exercise Features - There is a lot more fabric used in the production of these headphones than I've seen with any others. This has pluses and minuses. On the plus side, they're meant for exercise, so you can take off the earcups and wash them. On the minus side, the fabric is fairly rough so I don't find these to be comfortable for more than an hour or so at a time. If you are running outside and sweating a lot, I'm sure they'll grip well, but just sitting at a desk or in an office, these are not the most comfortable. In my personal experience, they also squeeze pretty snugly. This would be good for exercise, but not if you wear glasses, as the frames will be squeezed into the sides of your head.
App - The app seems to be completely unnecessary. You have to download it to pair the headphones, making it more difficult to pair than most headphones, and there is no other purpose to the app. You aren't adjusting the sound or getting access to other features. It's just another (cr)app program to clutter your phone.
TLDR: Nice sound, but probably not worth it unless you exercise in the sun a lot, never remember to charge your headphones, and need to be able to wash the earcups.