1. Material: ABS+PC
2. Bluetooth version: 5.3
3. Communication distance: about 10m
4. Listening time: about 7 hours (70% volume)
5. Listening time with the charging box: about 30 hours (70% volume)
6. Charging interface: Type-C
7. Charging time: about 1 hour
8. Battery capacity: 35mAh/0.135Wh (headphone), 400mAh/1.48Wh (charging box)
9. Frequency response range: 20Hz-20kHz
10. Dual wheat + AI noise reduction algorithm, double anti-wind and dryness