1. Rated power: 0.75W
2. Frequency response: 20Hz-20kHz
3. Bluetooth transmission distance: about 10m
4. Bluetooth version: 5.3
5. Charging time: about 2h
6. Battery capacity: 150mAh
7. Speaker unit: 16mm
8. Receiving sensitivity: -80dB-+3dB
9. Arbitrary twisting and bending, the frame is flexible and does not deform
10. Directional air conduction sound transmission method, efficient beam directional sound wave transmission