1. Wireless V4.2 JL AC6973
2. Material: ABS
3. Charging voltage DC5V charging time is about 1.5 hours
4. Battery capacity: 70mAh
5. Call/music time: 4 hours; standby time 120 hours
6. Weight: 7g; size: L53.6 × W13.96 × H19mm
7.Voice prompt switch:When not connected, double-click the multi-function button and there will be a beep
1, Material: ABS
2. Headphone cord length is 95cm, weight: 21g
3. Bluetooth 5.0, chip: blue trum 8895B
4. Battery capacity: 130mAh, charging for about 2 hours
5. Talk/music: 12 hours, 200 hours standby
6. Support Chinese and English prompt sound. When not connected, double-click the function key and there will be a prompt sound