------------------------------------------------<br> RUSAM BL31 True Wireless Stereo Earphones<br> Features:<br> 1BT 5.2 More Stable and Faster Transmission, Upgraded BT chip offers fast and stable connection and transmission but lower latency.<br> 2Binaural Design Equipped with Dual hosts, left and right ear divided design both are convenient to your use.<br> 38 mm Large Dynamic Driver&Immersive Listening Experience,<br> AAC/SBC dual audio decoding, 8mm DD unit with a high-density composite diaphragm, bringing you an immersive listening experience<br> 4Low Consumption & Long Endurance, built-in 400MAH battery(Charging Case) for long-lasting endurance, Type-C charging port for fast charging,4-5 hours of music listening(charging box providing 6-8 times fully charge).<br> 5Fit &Fell Free Design, Ergonomically designed, Comfortable to wear, stable, and never hurt the ear.<br> Specifications:<br> Product model: TWS BL31<br> Wireless connection: Bluetooth-compatible 5.2<br> Net weight of single earphone: 4g<br> Total weight with charging case: 99g<br> Talk time: about 4 hours<br> Battery life with charging box: about 30 hours<br> Single headset battery capacity:50mAh<br> Charging box battery capacity:400mAh<br> Headphone size: 28*17*21mm<br> Charging box size: 70*30*30mm<br> Headphone charging time: about 1.5 hours<br> Communication distance:10 meters (barrier-free open environment)<br> Packing List:<br> 2 * Bluetooth headset<br> 1 * Charging Case<br> 1 * Charging Cable<br> 3 pairs * Ear tips<br> 1 * Manual<br> About