1. Material: ABS+PC
2. Bluetooth version: 5.3
3. Communication distance: 10m
4. Listening time: about 6.5h (70% volume)
5. Battery capacity: 400mAh/1.48Wh (charging box), 35mAh/0.135Wh (headphone)
6. Rated input: 5V
7. Rated current: 6mA
8. Charging time: about 1h
9. Frequency response range: 20Hz-20KHz
10. Charging interface: Type-C