Latest Bone Conduction Bluetooth headphones The open-ear design helps you keep an eye on the vibrancy of the surrounding sounds and reduce traffic accidents and other hazards when listening to music. Ergonomic and anti-drop design, titanium wraparound headband is lightweight and flexible, great for durability and portability. Equipped with Bluetooth 5.0, bluetooth bone conduction headphones will quickly pair with most devices. 2 hours full charged and play music around 7 hours, standby time is 10days. Specification: BT version: version 5.0 Bluetooth-compatible chip: Juli chip Speaker type: bone conduction vibrator speaker Endurance: about 7 hours Bluetooth-Compatible distance: about 10m Battery capacity: 150mAh Charging time: about 2 hours Bluetooth-Compatible protocol: A20p / AVRCP / HSP / HFP Package Contains: 1 * Bone Conduction Bluetooth headphones 1 * Charging Data Cable 1 * Instruction Note： 1. Do not buy if you have insufficient hearing! 2. Chinese and English bilingual manual. 3. If there is any problem with the product, you can contact us directly! We will solve the problems for you immediately.