Isounded F9-TWS earbuds

Isounded TWS earbuds-F9 is the  most advanced true wireless Earbuds designed with superior Hi-Fi sound ultra-long playtimeIPX6 waterpoof.

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    product feature:
    - A three-layer composite graphene diaphragm combines rich vocal detail with solid bass. Precise acoustic measurement system, which truly restores the beauty of sound.
    - Hi-Fi Sound:Bluetooth 5.0 and CVC noise reductione technology to delive Hi-Fi crystal clear dynamic sound to you.
    -Ipx6 waterproof, enjoy dripping wet, with ergonomic earplugs, it won’t hurt your ears after long time wearing the earbuds.
    -The microphone is close to the mouth, optimize the sound pickup structure, double mic  communication, the voice is more clearer.
    - The charging compartment comes with a magnetic Hall switch. Open the lid to activate the pairing. Connect automatically when you pick it up. Just turn on the phone's Bluetooth.
    -True Wireless Technology: No trouble with wire tangle anymore,built-in bluetooth 5.0 chip, offers fast speed, stable connection, enable to 33ft transmission. You can use the twins warbuds to achieve volume +/-, play the next / the previous songs,answer/reject calls, activate the voice functions.
    - Slim and lightweight, can be hidden in the ears:the earphones’ size is ultra-small and lightweight,beyond imagination, can be easily held in the palm, it is very portable.
    model:F9 (Hot)
    Bluetooth solutions:Airoha 1532 5.0
    Transfer distance: 10M
    Battery capacity: single:85mAh; The base:500mAh,2500mAh are available
    Talk time:around 8-10H
    Playtime:around 8-10H
    Standby:around 20days
    Charging time:1.5-2H
    Signal to noise ratio:93db+/-3db
    Working current/voltage:3.7V/15-16mA
    Support agreement:APT-X/HFP/HSP/A2DP etc

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