Customer Ratings & Reviews

Super long battery life, when you aren’t using it, it automatically goes into a sleep mode to save battery life on top of the already long 180hour battery life. 50g of weight it’s like lifting a feather. Very smooth skates and it has even weight distribution.

Best gaming mouse I’ve ever had for fps games. Super responsive, lightweight with a very decent battery life even on max polling rate. 10/10

The battery life on this mouse is amazing! I haven't charged it since I bought and it's been a week! That's how great it is. The weight on the mouse is great and feel very smoot with the skates. While many people might not like the loudness or sound of the mouse click, I personally enjoy the sound, very tactile... Overall, this mouse is great and I would recommend it to anyone!

I have charged this once since I bought it and I use it every single day for hours! Great gaming mouse. The scroll is really smooth, but not too sensitive, so you can't accidently scroll or ping with it. I also really like that it has stickers for the grips. My last mouse had the grips on it, and I wore those down.

The mouse is fantastic. It feels good in the hand, extremely light, buttons are very snappy, movement is extremely responsive, software is good. I honestly had a really good mouse already, but it was a little older and about 100 grams. With this mouse being half the weight I thought I’d treat myself and I’m glad I did. This thing is just great, 180 hr battery at 1000 Hz, but I really like the dynamic sensitivity. My previous mouse didn’t have that and I didn’t know what I was missing. Overall I was skeptical because of the price but I’m glad I bit the bullet and bought it

battery lasts like 3 weeks on every day use with 1k polling and you can set up adaptive polling so it only uses 8k when in a game to save battery life. the switches are great if you can get past the annoying tinny noise the click makes. the scroll wheel is perfect where when you scroll fast it scrolls normally and when you go slow it clicks individually. the coating is better on the white version and is superior compared to the g pro superlight. overall the price is very high but razer is the only one offering a mouse on this level with the exception of logitechs g pro superstrike which may give a slight in game advantage for 20 more dollars.

this is super light, and I love the way it feels in my hands. The side buttons feel natural as well

Compared to my wired deathadder, the viper feels accurate though losing the sensitivity switches at the top was a sacrifice, however the sticky rubber grip that come with the mouse does compensate in a way since I can place it in any desired position with some minor adjustment and lastly the battery life indicator on the dongle is another great addition,I wish more mouse were made like this or improved variants would be fine

This is my first mouse upgrade since 2019. My model 0 was a trooper but finally gave out and was finally excited to see how far mouse upgrades have come since. This 8Khz sensor is no joke, actually makes a difference but be ready to tweak your DPI as the higher you go on the polling rate, the slower it feels.

If you’re a competitive gamer looking for one of the lightest, fastest, and most responsive wireless mice available, the Viper V4 Pro is an outstanding. Also recommend changing stock skates for some xray obsidian dot skates.

i’m a aim trainer who plays a lot of kovaaks and this mouse has been one of my goes to for awhile the 8k polling rate and the size of the mouse is perfect

Awesome clean and lightweight super responsive mouse ! Definitely recommend

So right off the bat, when I opened this box and grabbed the mouse, I noticed just how light it is. I knew it was supposed to be light, but it still shocked me. I love that it is light weight but not cheap feeling. It has a premium feel and look that you would expect in this price range. At first glance you might think this is overpriced for what may look like a basic mouse, but under the hood they applied a lot of upgrades and specs that really up the value of this mouse and earn it’s pro name. I won’t bother listing all the specs and details, others have already and the spec sheet shows them all, but what I will say is those specs make this a really reliable and capable mouse for extreme gaming competition. I do not compete in high stakes or even “pro” level gaming since, frankly, I suck too much. But I do enough gaming to notice when a piece of hardware is not performing well enough. That would be my old mouse. The wheel was giving out and the response was lacking. Enough that I could legitimately blame the mouse for missed shots. So a replacement was needed. My old mouse had a mechanical wheel that gave out too soon so I like that this wheel is optical but FEELS mechanical still. The wheel click is a bit stiff, good to avoid accidents, but not great if you use it a lot. For me this hasn’t been an issue. The left and right main buttons are clean and crisp clicks that feel instantaneous. I can’t blame them for a miss, (though I may still shout it out). There are two buttons on the thumb side which give you extra options for gaming and doubles as being helpful when navigating the PC as they become forward and backward buttons for webpages and file browser etc. These buttons are well placed to only be hit when you want to and not accidentally bumped during frantic playing. I also think it’s worth noting the DPI switch is on the bottom not somewhere up top. My previous mouse had it by the wheel and I can’t tell you how many times I accidentally hit that button and panic followed. The mouse also comes with a hyperspeed wireless Gen-2 Dongle and LED indicator which should sit nicely on most desk setups. The cable is long enough to reach my tower easily and the LED indicators are a great way to monitor the status of your device. By default they show connection status, battery life, and polling rate. Although these are customizable in the web app if you want to change them. It also comes with a nice little cheat sheet to show you what each color means for the default 3 settings. Speaking of battery life, this mouse claims a 180 hour battery life at 1k polling which is fantastic. I have not had a mouse with that kind of life in it so if that holds true, I will enjoy less frequent charging. And thanks to the dongle indicator, I will easily know when it is getting low. Also included in the box are some stickers, an information booklet and grip stickers if you choose to use those. I have found no need to though. I have relatively smaller hands than average, but the size of the mouse is great for my hands. My fingers rest comfortably and the body doesn’t feel too bulky like other, larger, button heavy mice have. I would call this more in line with average or “classic” mouse size. The bottom is smooth and glides nicely on multiple surfaces I tested it on and I had no issues with textures or contrast images on a mouse pad making the mouse jitter or jump. Overall, I think this is a fantastic upgrade to the pro model and no gamer; small or pro, will be disappointed with the performance. It may look simple and basic, but it is loaded with top end specs that will give you every advantage in the game you can get. Backed by a well known brand that continues to push the industry, you can’t go wrong with this mouse. I think the price is somewhat fair, though may be a bit on the high end. But if you don’t need all the features, you could get one of their lower tier models and know it’ll perform just as well.

This Razer Viper V4 Pro is now my 3rd Razer mouse and it's become the only brand mouse that I use. I actually already have the Razer Viper V3 Pro and have been using it for 2 years now and I still love it as much as I did when I first got it. I haven't had any issues with it and didn't feel like there was any way to improve on it, but then Razer did just that with this V4. Overall it's basically the same look and feel as my V3 so I immediately felt comfortable with it in my hand using it. As light as the V3 was, this V4 is even lighter. It's actually hard to believe how they managed it while having the hardware and battery necessary to make it all work as well as it does. This V4 comes in under 50 grams and roughly 10 percent lighter than the V3, which is amazing. With the mouse being so light, along with the material of the feet, it just glides effortlessly. Most of all, it's easy on your wrist, especially after a long marathon gaming session. As for gaming, what really matters is how responsive and accurate the movement of the mouse is, and this is about as good as it gets. I've used several different gaming mice and none have performed as well as the Viper V3, even when being used wirelessly. It helps that the dongle can be very easily placed near your mouse, and if you want that tiny bit of extra precision, you can use it wired as well. Battery life is excellent too, surprisingly again considering how light the mouse is. I haven't actually kept track of the time between charges, mainly because I'm still on the initial charge with this V4, but with the V3 I've gone WEEKS between charges, and so far it's looking like this V4 will last just as long. Another feature new to the V4 that I like is the added led lights on the dongle that tell you the status of the battery, connection, and polling rate. Overall, I cannot recommend this mouse enough. I absolutely love everything about it, how it feels, how it performs, everything. There truly is nothing bad i can say about this mouse.

The Razer Viper v4 Pro is a great wireless mouse for gaming on PC, due to its cutting-edge technology and weight. The Viper v4 Pro has an 8,000 Hz-polling rate, new Gen 4 optical switches, optical scroll wheel, Focus Pro 50K Gen 3 sensor, improved battery life, better balancing and an often-requested web-based software driver! With the new web-based software you can manage all of your mouse settings as well as make profiles, but you will need to have some software installed on your pc when it's time to update the firmware for the mouse which was needed out of the box and please note that both the receiver and mouse have to be updated. The mouse is VERY light at around 49 grams and it felt lighter than some of the pens that I use to write! The included skates (sliding surface on the bottom) are nice and smooth and they include stickers for decoration as well as grip tape for the buttons and base of the mouse. The Viper v4 Pro was comfortable to use and the battery barely budged after 9 hours of gaming. The clicks on the buttons are loud but satisfying and they are rated for 100 million clicks which seems like several lifetimes. Everything worked great and I have no problems recommending the Razer Viper v4 Pro for a wireless mouse option for gaming on PC.

To start off, I have a ton of experience with gaming mice and have used every notable hardware design dating back to around 2003. Back when the only optical sensor competition was pretty much ST and Agilent designs. I even tested prototypes from a few notable companies around 15 years back, so you can say.. I've been around. What particularly interested me about this mouse is the fact that it has a truly next gen hardware.180hr battery life @ 1000hz? Yeah, that's no joke considering this mouse is using relatively newer Airoha wireless RF with a dedicated power management chip. Sensor also has a newer DIP package design, which I assume means it's a bit revised under the hood as well. There's no public information on this but they likely modified array size to be more competitive with another brand in certain aspects. I really like this mouse. It's lightweight, and the shape is quite neutral for me. Build quality is overall great considering the 50g weight, though I don't exactly have issues with mice being too heavy as long as the overall design makes sense per how I actually grip the thing. I used to use mice in the 100g area just fine, but this is subjective and everyone is different. The scroll wheel itself is very impressive. Feels like a mechanical design, but somehow optical. I don't know how long this will last in terms of the notches and tension wearing down (like a true mechanical design), but initial impressions are great. Main clicks are also okay.. I've used inductive switches from a competitor product and everything else on market feels like an innate downgrade on this front, but I can see some people preferring these just in the sense that they're static mechanical optical switches. So, if I had to fault anything, it would be this subjectively. Software is great. Web Synapse works as expected and lets you pretty much do everything without the need of downloading the actual razer synapse software. I actually have mine installed because I use both Razer desktop speakers and their Xbox controller, so it's not something that needed per say, but I can see people really enjoying the web based aspect quite a bit, especially competitive gamers. The sensor feel is extremely responsive It might be "frame Sync" but this is the only mouse on the market that feels exceptionally nice on 360hz+ monitors for me (I use 500hz). I'm sure it's a combination of the Airoha microcontroller and revised sensor design too, but Razer pretty much nailed it here. As I implied earlier, this is truly a "next gen" mouse I can't really go super technical, but I will say that this mouse "feels" different than it's main competition.. in a good way. Polling is also hyper responsive as expected. More stable than legacy 1k mice from a decade ago. OVERALL: Is it worth the price tag? I'd say yes, but with a caveat. This is one of the few mice on current market that isn't reusing legacy hardware. You get both a newer RF wireless setup and revised sensor design on a physical level. Controller is also exceptionally stable at its 1000hz setting. The only thing I would ding at is that the main competitor to Razer has inductive switches now and I generally prefer those. I think they are the future for m1/m2 clicking. The caveat? You can get a mouse competitive to this one in regards to "sensor performance" for around $50 new these days.. but it will lack the 180hr battery spec and potential advantages of what I assume is frame sync. This is a 4.5/5 for me.. 5/5 if it had inductive clicks.. which I am biased to :)

The Razer Viper V4 Pro is a gaming oriented extremely light weight mouse and offers a lot. Razer has come a long way over the years and it shows with the V4 Pro. It has excellent tracking, smooth scrolling, an extremely high DPI sensor and programmable buttons. That said this is a more iterative update over the V3 Pro and has a drawback that has me using my V3 Pro still. Pros - Extremely light weight - Great anti friction pads - Great Software Cons - Annoying Mouse Button Click Sound Build quality is mostly great with this mouse. Its extremely light weight, but feels rather sturdy. Other lightweight mice feels like if you squeeze it too hard it will crumble, but not this one. The side buttons feel good and sound as they should compared to my other mice. My only real complaint with this mouse is the awful sound the left and right mouse button clicks make. I've compared to 3 other mice and its so loud and high pitched it actually drives me crazy while trying to use it. The only reason I am docking a star for this is because my friend said while different and slightly annoying, it isn't that bad. So it might just be me. But click this sounds like snapping a piece of plastic every time. The software that Razer is putting out is great. Its light weight, it installs firmware updates easily, has all the settings you could think you would want. Has a nice DPI matching feature so that when you switch over you can match the DPI of your mouse to your previous mouse. Tons of features that are really easy to access while being intuitive. Battery life on this mouse has been phenomenal. This is one area where it has improved over the V3 Pro, and significantly. I haven't even charged it once since I've had it, didn't charge it out of the box, and its still going. I have it set to switch to 8K mode while gaming (and you don't need to, 1K is perfectly fine, its not perceivably different), and it still is going. On the V3 Pro, the battery would drain much faster like this. Overall, this is a great mouse, improving slightly on the V3 Pro, but at the end of the day I can't really use it beyond this review. I'm looking forward to switching back to my V3 Pro, only because of the sound the clicking makes. If it weren't for that, this mouse would have been perfect for me.

Excellent Lightweight Gaming Mouse The Razer Viper V4 Pro has been an amazing mouse for gaming. The lightweight design makes it very easy to move around, especially during long gaming sessions. The shape feels comfortable in my hand, and the clicks feel fast and responsive. The wireless performance has also been excellent. I haven’t noticed any meaningful difference compared with using a wired mouse, and the long battery life is a huge plus. The 8K polling rate is especially nice for competitive gaming because everything feels extremely responsive and smooth. I mainly use it for competitive FPS games, and the combination of the lightweight design, accurate sensor, responsive clicks, and wireless performance makes it a great choice. The white finish also looks really clean with a white PC setup. Overall, this is one of the best gaming mice I’ve used, and I would definitely recommend it to anyone looking for a lightweight, high-performance wireless gaming mouse.

The king remains the king. I need to preface this by saying that I am an OG fan of the original Razer Viper Ultimate from 2019 and that I'm coming from a Viper V3 Pro. I've owned every iteration of the Razer Viper Pro series mice throughout the years. I had a brief stint with the highly popular Logitech G Pro Wireless from 2018 and even tried out a couple of their newer versions throughout the years; just to see how they compared to Razer's flagship. I've always found myself coming back to Razer's Viper Pro series mice. To this day, the Viper V4 Pro retains the perfect grip shape that has kept me loyal to this series. I have medium to large hands and while this mouse shape is certainly tailored more for claw and fingertip style grips, it's shape allows me to grip it in my favorite style: a claw-palm hybrid. I've tried what seems like hundreds of mice throughout the years and none have been as comfortable as the Viper Pro series mice. I have to praise Razer for keeping the V4 Pro mouse shape identical to the V3 Pro. My philosophy is that if something is perfect, don't change it. And in my opinion, the Viper Pro's series mouse shape has been perfect since the V2 Pro. Aside from the V4 Pro having the perfect shape for my hand, I love how incredibly light it feels. Somehow, Razer was able to make the V4 Pro even lighter than the already extremely light V3 Pro. I weighed the V4 Pro at 49 grams and my V3 Pro at 55 grams. I've paired my V4 Pro with the Artisan Zero FX Soft pad and it is a dream pairing. I couldn't be happier. The skates on the V4 Pro are second to none. They are silky smooth to the touch and provide an exceptional effortless glide. In terms of tracking, this is by far the best performance I've had on any gaming mouse. I'm a 2400 rated bullet/2200 blitz speed chess player and I play in several competitive online amateur tournaments with money prizes. Being able to pre-move 5-10 (decent) moves in under a second is something that comes with a lot of experience, skill, and a proper mouse! I put the V4 through it's paces playing in several online bullet tournaments to test how well it does; specifically when it comes to exceptionally fast flick movements that need to be extremely precise. The V4 Pro is the most accurate and consistent tracking experience I've ever had on any mouse in my 25 years+ of online PC gaming. This same unrivaled tracking experience carried over when pouring hours into CS2 AWP maps and comp play in Overwatch. Razer upgraded the V3 Pro's Gen-2 35k optical sensor to the newer Focus Pro 50K optical sensor in the V4 Pro. In practice, it performs very similarly to my Viper V3' Pro's Gen-2 sensor. However, it does "feel" like there is an ever so slightly improved perceivable difference in it's tracking precision. I'm not sure if this is due to the new "Frame Sync" tech in the V4 Pro, or if it's just all in my head. What I do know is that I've had some of the most consistent online gaming performances that I've ever had. Other noticeable differences from it's predecessor is the optical switches, the wireless dongle, and the battery life. These newer Gen-4 optical switches feel more crisp and tactile when compared to the V3 Pro Gen-3 switches. I certainly prefer these as it makes the Gen-3 switches feel a bit "mushy" by comparison. However, I can see the audible click being a con to some. It does produce a slightly higher pitched click sound that could potentially annoy those around you if using the V4 Pro in some type of office setting. For me, it's 100% worth the trade-off as these newer optical switches feel much more tactile with better feedback. Razer also upgraded the mechanical scroll wheel to an optical scroll wheel which is supposed to help with durability and reliability. The HyperPolling wireless dongle is one of THE BEST improvements over previous Viper Pro mice. The dongle has been redesigned and the new "half-orb" shaped dongle is fantastic! We finally have a dongle that actually stays put on your desk thanks to the heavier weight and larger surface area. Every previous dongle I've used from Razer would just flop over on my desk due to the small surface area on the bottom of the dongle. I also love the small LEDs that constantly indicate your connection status, battery level, and polling rate. Lastly, a major improvement is the significantly improved battery life. At a 1,000 Hz polling rate, the V4 Pro offers about 180 hours of battery life as compared to 95 hours with the V3 Pro. Do bear in mind that when using an 8K Hz polling rate, the estimated time is reduced to around 45 hours (which is still plenty!). I have embarked on several hours long gaming sessions, with an 8K Hz polling rate, over the last 5 days and my V4 Pro is still sitting at 37%. Overall, the Viper V4 Pro continues to be the best mouse for me. Everything from the shape, it's tracking precision performance, it's optical switches, the long battery life, it's weight, and the intuitive Razer Synapse 4 software companion, make this a 5/5 star product for me.

The Razer Viper Pro V4 is a super accurate gaming mouse. This mouse has 50k DPI, extremely light and customizable. It can be used via wired with included USB-C cable or wireless with the included 2nd Gen hyperspeed wireless receiver. It has an internal battery that can last up to 180hrs at the 1000hz setting and 45hrs at the highest. I was really surprised how light this mouse is and knowing it has an internal battery. Setting it up was pretty much plugged and play. Although, to take advantage of its capabilities it's recommended to use Razer’s dedicated software Razer Synapse. Once the mouse it's recognized it will prompt for a firmware update. For that to happen the mouse has to be connected to the USB cable. Strangely you also have to download a firmware updater software, which I find strange that it could not be done through Synapse itself. It sounds like a lot, but in reality it was pretty simple. I have been using it wireless for a few days and the battery has been excellent. I really love how they added three light indicators to the wireless receiver. The three dot light system can be customized to represent battery percentage, connectivity quality, DPI stage, polling rate or they can be turned off completely, that's pretty cool. For instance when the battery was about half way the light indicator lights up yellow. The mouse it’s super accurate. The bottom feet are super smooth, it just glides on the mouse pad and that's due to its lightweight. The buttons are soft and responsive. And the wheel feels about right. This mouse is about the same height as my cobra pro, just slightly longer and lighter. Someone with large hands will definitely find it small. I have a medium size hand and it covers it almost entirely. If you’re into RGB lighting, this mouse keeps things simple. The only light on it is the charging indicator in front of the scroll wheel. The Synapse app is simple to use and adjusting the settings is a breeze. Overall this is a great mouse for gaming or just as a regular everyday use. It is extremely accurate and extremely lightweight, one of the lightest I have used. It comes with a long battery life and is simple to customize with its dedicated app. While it is intended for gaming it only has 5 customizable buttons and that’s including the scroll wheel. It can be used wired or wireless providing flexibility. In the box you get the mouse, USB-A to USB-C cable, wireless receiver and manuals.