Tronsmart
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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 - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
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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 - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Sounfii R4 offers exceptional call clarity even in bustling environments with 4-mic call noise cancellation.
Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige
Item #: 189799508

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

Item #: 189799508

XCD 89

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*All items will import from US

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Sounfii R4 offers exceptional call clarity even in bustling environments with 4-mic call noise cancellation.
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What Stands Out

Big Bass Drivers
Equipped with 12mm drivers, these earbuds deliver exceptional bass, enhancing your music experience and ensuring every beat is felt, making them ideal for bass lovers.
Clear Call Quality
Featuring four microphones with Environmental Noise Cancellation, these earbuds ensure crystal-clear call quality, effectively minimizing background noise during conversations for a better communication experience.
Smart Touch Control
The intuitive touch control allows users to effortlessly manage music and calls without fumbling for their device, providing a seamless and user-friendly experience suitable for on-the-go lifestyles.

Product Details

Shop Tronsmart Sounfii R4 True Wireless In-Ear Earbuds, 12mm Drivers with Big Bass, 4 Mics ENC Clear Call, Smart Touch Control - Beige online at a best price in Montserrat. 14576709717
  • Tronsmart Sounfii R4 Earphones are made for music and optimized for use in any environment - working from home, at the office, or on the go. Designed with a custom acoustic platform, Sounfii R4 Earphones are engineered to deliver powerful, balanced sound in a compact, in-ear form factor. These earbuds have 4-mic call technology for clear virtual meetings or mobile phone calls, ENC for better focus, and are comfortable for all-day use. Each earbud has up to 7 hours of listening time with two additional charges provided by its pocket-sized charging case to give you up to 28 hours of combined playback.
Headphone typeEarbuds
Headphone styleIn-Ear
Noise control technologyActive Noise Cancellation
WirelessY
Battery life16 h
BrandTronsmart
Rec. useCasual Listening, Classroom, DJ, Metal Detector, Sports, Video Gaming
Works withAndroid
ColorBlack
Ear pad materialABS
Battery consumption typeIntegrated Rechargeable Battery
Accessories1 x Sounfii R4 ENC Earphones 2 x Extra Pairs of Eartips 1 x Charging Cable 1 x Warranty Card 1 x User Manual
Power typeBattery
Materialabs
Generation2026 ENC Earphones
Compatible smart control systemsSmartThings
Video game platformMobile, PC
ModelTronsmart Sounfii R4
Assembled product height2 in (5.1 cm)
Assembled product weight0.3 lb (140 grams)
Age groupAdult, Teen
Virtual assistantENC Earphones

Who Should Buy?

Suitable For
  • Bass Enthusiasts

    Users who enjoy deep bass in music will appreciate the 12mm drivers for enhanced sound quality.

  • Frequent Calls

    Ideal for professionals who frequently take calls, thanks to the four mics for clear communication.

  • Active Lifestyles

    Perfect for active individuals seeking comfortable, wireless earbuds for workouts or outdoor activities.

Not Suitable For
  • Audiophiles

    Those with a high demand for audio fidelity may find the sound quality lacking for detailed listening.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the battery life of the Sounfii R4 earbuds?

    Answer: Each earbud offers up to 7 hours of listening time, with a total of 28 hours including the charging case.
  • Question: Are these earbuds suitable for outdoor activities?

    Answer: Yes, the Sounfii R4 earbuds have an IPX4 waterproof rating, making them sweat-proof and suitable for exercise and outdoor use.
  • Question: How does the smart touch control work?

    Answer: You can easily skip songs, play/pause music, answer/hang up calls, and enable voice assistance by tapping the earbuds.

Tronsmart Earbuds and In-Ear Headphones Editorial Review

Tronsmart Sounfii R4 True Wireless In-Ear Earbuds offer an impressive audio experience with their 12mm drivers delivering big bass. Equipped with advanced Active Noise Cancellation technology, these earbuds ensure clearer calls thanks to their four built-in microphones, making them ideal for sports and casual listening. Their smart touch control provides seamless operation, while the robust battery life of 16 hours keeps the music going without interruption. These earbuds are not only compatible with Android devices but also support smart control systems like SmartThings, enhancing overall functionality. Users appreciate the comfortable fit provided by the extra pairs of eartips included with the product, ensuring a pleasant listening experience across various activities.

Customer Reviews & Ratings

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Pros

  • Big bass from 12mm drivers
  • Effective Active Noise Cancellation
  • Four mics for clear calls
  • Long 16-hour battery life
  • Smart touch controls for convenience

Cons

  • Color options may be limited

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 89

Order now and get it around Sunday, September 13

QTY:

Only 10 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Fastest cross-border delivery

Features & Benefits

  • Experience exceptional call clarity with 4-mic ENC noise cancellation.
  • Enjoy deep bass and precise audio with 12mm composite titanium drivers.
  • Comfortable ergonomic design ensures a perfect fit for long-term wear.
  • IPX4 waterproof rating makes them suitable for various activities like exercise and travel.
  • Convenient charging case provides a total of 28 hours of high-quality sound.
  • Smart touch control allows easy access to music and calls without using your phone.

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