1. Bluetooth version: 5.3
2. Transmission range: 10 meters
3. Sensitivity: 100±3dB
4. Frequency response:20Hz-20KHz
5. Speaker:φ15.4mm
6. Battery:100mAh*2
7. Charging voltage: 5V/0.5A
8. Charging time:about 1.5H
9. Play time: 6H(100% volume)
10.Talking time: about 5H
11. Weight: about 18g 1. Bluetooth 5.3, more stable connection
2. Facets, fashion, luxury and beautiful
2. Ergonomic design of earphone, close to the ear and comfortable to wear
3.Comfortable and not painful to wear
4.Super elastic memory head beam, supporting 360° bending
5. Support ENC, make your calls clearer
6. IPX5