Yesido YSP16 Bone Conduction Bluetooth Wireless Neckband Earphone1. Bluetooth 5.3 chip, high-speed and stable transmission, strong anti-interference ability.2. With built-in 100mAh battery, the wireless earphones can work for a long time.3. Bone conduction technology, non-in-ear type, comfortable to wear.4. The mid- and low-frequency sounds perform well and the sound quality is excellent.5. Waterproof and sweatproof, suitable for sports and other scenes.6. Specifications:Material: PC+ABSBluetooth version: JL7006 V5.3Bluetooth distance: greater than or equal to 10MMusictalk time: about 6H (80% volume)Headphone battery capacity: DC 3.7V100mAhCharging time: about 1.3HCharging interface: USB magnetic contact