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Tronsmart - Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Black

Model: Sounfii R4
SKU: 10102763
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Customers are saying

Customers are impressed with the Sounfii R4 True Wireless In-Ear Earbuds sound quality and long-lasting battery life. Many also find the earbuds to be comfortable. However, some customers have reported connectivity issues and concerns about the case design.

Generated by AI based on customer reviews.
Features

  • 4 Mics ENC Noise Cancellation

    ENC noise reduction can provide a high-resolution call experience, accurately capture your voice, and reduce background noise. Featured with quad-mic call noise cancellation, Sounfii R4 offers exceptional call clarity even in bustling environments.

  • Stereo Bass Sound

    Bluetooth earbuds are equipped with 12mm composite titanium drivers to deliver deep, rich bass and precise audio clarity, allowing you to enjoy music, movies, and calls with an enhanced overall experience.

  • Premium design

    Inspired by the mysteries of space, the design of Sounfii R4 combines premium materials with an ergonomic form factor to ensure a comfortable listen for every user.

  • Perfect fit

    The noise-canceling Bluetooth headphones adopt an ergonomic semi-in-ear design, which is lightweight and compact, dispersing ear canal pressure while keeping it firm, comfortable to wear for a long time, and will not fall off during exercise. The wireless headphones feature IPX4 waterproof function, sweat-proof, suitable for cycling, running, gaming, travel, exercise, yoga and business.

  • Charging case

    A quick and convenient charging case allows you to boost your earbud’s battery as and when you need to. Simply charge your case, to deliver 28 hours of high-quality sound on the go.

  • Smart Touch Control

    Access all functions effortlessly, activating voice assistants via simple touch.

  • Bluetooth 5.3 and One-step Automatic Pairing

    Our wireless earbuds have advanced Bluetooth 5.3 technology, faster transmission speed, stronger anti-interference, longer Bluetooth range, stable connection and low latency, allowing you to use it easily at home, in the office and during exercise. After the wireless Bluetooth headphones are connected for the first time, just open the charging box and the earbuds will automatically connect to your phone.

See all features
Specifications
  • Connection Type
    Wireless
    Wireless Connectivity
    Bluetooth
    True Wireless
    Yes
    Maximum Wireless Range
    59 feet
    Water Resistant
    Yes
    Built-In Microphone
    Yes
See all specifications
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Reviews

Rating 3.7 out of 5 stars with 38 reviews

5 star rating. 18 reviews4 star rating. 8 reviews3 star rating. 2 reviews2 star rating. 3 reviews1 star rating. 7 reviews
74% would recommend to a friend
Customers are sayingCustomers are impressed with the Sounfii R4 True Wireless In-Ear Earbuds sound quality and long-lasting battery life. Many also find the earbuds to be comfortable. However, some customers have reported connectivity issues and concerns about the case design.
This summary was generated by AI based on customer reviews.
  • Sound Quality (19)
  • Battery Life (11)
  • Comfort (7)
  • Connectivity (4)
  • Case Design (3)

Customer Images

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.

  • Rated 5 out of 5 stars

    Tronsmart headphones

    I was a little skeptical to purchased the headphones at low cost but the quality was better than expected.

    Posted by EdwardW

  • Rated 4 out of 5 stars

    It's good

    This is a great in-ear headphone. It's comfortable to wear, easy to carry, has good sound quality, and a long playback time.

    Posted by JustinLew

  • Rated 4 out of 5 stars

    Earbuds

    I'd personally give the earbuds a 4 out of 5 mostly because of the good quality, the relatively good lifespan, and they're comfortable. The case it a bit inconvenient to open but besides that I'd definitely recommend it.

    Posted by DizzySummee

  • Rated 1 out of 5 stars

    Save yourself the trouble.

    These earbuds arrived after a long wait, and right out of the box, the charging case was completely depleted. I own several high-end and mid-range earbuds from well-established brands, so I have a solid point of comparison. After finally managing to charge the earbuds, I gave them a listen. To be fair, the sound quality was surprisingly good, with a nice low-end response. The earbuds also fit securely in my ears and didn’t fall out. However, the design of the case is poor. It’s extremely slippery, making it frustrating to open. There’s no grip, latch, or indentation to easily lift the hatch, and pulling the earbuds out is unnecessarily difficult. It also took an unusually long time for them to connect to my iPhone—my second warning sign. Still, since the sound was decent, I gave them a chance and left them charging overnight. Unfortunately, by the next morning, the case was once again completely dead. No charge whatsoever. That was the dealbreaker. And to make matters worse, the awkward design caused me to drop the case, and one of the earbuds popped out. It took me an hour to find it since my locator app couldn't detect a completely drained earbud. That was the final straw. I returned these earbuds and moved on. Save yourself the trouble.

    This review is from Tronsmart - Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige

    Posted by Abe335

  • Rated 5 out of 5 stars

    Great sound for the price

    Great audio quality long battery about 6.5 hours comfortable, one complaint it's bit hard to get the buds into the cast because the case door doesn't open vary wide

    This review is from Tronsmart - Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Black

    Posted by RailGunner1864

See all customer reviews

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Pros for Tronsmart - Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Black
Sound Quality, Battery Life, ComfortSound QualitySound Quality, Battery Life, Fit, Price, Ease of useSound Quality, Battery Life, Connectivity
Cons for Tronsmart - Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Black
Connectivity, Case DesignThere were no cons for this product—Volume, ChargingThere were no cons for this product—

Specs

Questions & Answers

  • What size are the drivers in these earbuds?

    The earbuds have 12mm composite titanium drivers.

    This question and answer was generated by AI based on customer and product data.

  • Do these earbuds have noise cancellation?

    Yes, these earbuds feature ENC noise reduction technology for clear calls.

    This question and answer was generated by AI based on customer and product data.

  • What is the battery life of these earbuds?

    These earbuds have a battery life of up to 28 hours with the charging case.

    This question and answer was generated by AI based on customer and product data.

  • Are these earbuds good for making calls?

    Yes, these earbuds are equipped with 4 microphones and ENC noise cancellation for clear calls, even in noisy environments.

    This question and answer was generated by AI based on customer and product data.

  • How long does it take to charge the earbuds?

    The battery charge time for the earbuds is 2 hours.

    This question and answer was generated by AI based on customer and product data.
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