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    Tronsmart Sounfii R4 Wireless In-Ear Earbuds, 12mm Drivers with Big Bass,28H Battery,4 Mics ENC Clear Call, Adaptive Noise Cancelling to Ears and Environment,Smart Touch Control,Wireless Charging

    • Sounfii R4
    • OpenFly 2 Pro
    • Crystal Clear Call: Featured with quad-mic call noise cancellation, Tronsmart Sounfii R4 offers exceptional call clarity even in bustling environments.
    •   Balanced Sound: 12mm composite titanium driver delivers well-balanced sound with deep bass for optimal listening.
    •  Peerless Design: Inspired by the mysteries of space, Tronsmart Sounfii R4 boasts a futuristic design crafted to captivate both the eyes and ears.
    •  Comfortable Fit: Ergonomic design and customizable ear tips ensure a comfortable and secure fit whether on workouts or long-haul flights.
    •  Extended Playtime: Built-in 400mAh battery ensures up to 28 hours of continuous music vibe, providing uninterrupted enjoyment of favorite tunes on the go.
    •  Smart Touch Control: Access all functions effortlessly, activating voice assistants via simple touch.
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    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.

    Product information

    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, IOS
    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
    Assembled product weight0.3 lb
    Age groupAdult, Teen
    Virtual assistantENC Earphones

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