1. Material: ABS+PC+Metal
2. Bluetooth version: 5.2
3. Communication distance: 10m
4. Listening time: 33h (70% volume, noise reduction off)
5. Battery capacity: 300mAh/1.11Wh
6. Rated input: DC5V/1A
7. Rated current: 20mA
8. Charging time: about 1h
9. Frequency response range: 20Hz-20KHz
10. Charging interface: Type-C