"1, Material: ABS
2. Headphone cord length: 98cm, weight: 18g
3. Bluetooth 5.0; Chip: BK3266
4. Battery capacity: 200mAh, charging for about 2 hours
5. Talk/music time: 15 hours, standby time: 200 hours
6. Support Chinese and English prompt sound: when not connected, double-click the multi-function button and there will be a prompt sound"