F16 TWS Air Conduction Wireless Sports Music Bluetooth Earphone

1. Chip: 5656A2
2. Bluetooth version: V5.4
3. Transmission distance: 10 meters
4. Charging voltage: DC 5V
5. Charging time: 1h
6. Talk time: 7h
7. Music time: 7h
8. Headphone battery capacity: 50mAh
9. Charging case battery capacity: 400mAh
10. Frequency range: 20Hz-20KHz
11. DT4.0 directional sound transmission, lossless sound transmission without sound leakage
12. Smart touch technology, easy control with one finger
13. Lightweight and comfortable to wear
14. Adaptive rebound technology, fits the ear firmly and does not fall off