1. Material: ABS
2. Bluetooth version: 5.3
3. Communication distance: 10m
4. Listening time: about 5 hours (70% volume)
5. Battery capacity: 300mAh/1.11Wh (charging box), 40mAh/0.148Wh (headphone)
6. Rated input: 5V
7. Rated current: 8mA
8. Charging time: about 1.5h
9. Frequency response range: 20Hz-20KHz
10. Charging interface: Type-C