1. Material: ABS+PC
2. Bluetooth version: 5.2
3. Communication distance: about 10m
4. Listening time: about 4.5 hours (70% volume)
5. Charging box usage time: 20h
6. Charging interface: Type-C
7. Charging time: about 1.5 hours
8. Battery capacity: 400mAh/1.48Wh (charging box), 35mAh/0.135Wh (headphone)
9. Frequency response range: 20Hz-20kHz
10. Use reverse sound waves to cancel background noise, active noise reduction
11. Equipped with ENC system to reduce background noise and accurately pick up human voice
12. DCLL technology, 0.06 seconds ultra-low delay, realize audio-visual segmentation