1. Material: ABS+PC+Silicone+Metal
2. Bluetooth version: V5.2
3. Communication distance: 10 meters
4. Listening time: 25 hours (70% volume)
5. Battery capacity: 170mAh/0.629Wh
6. Headphone rated input: DC5V/100 mA
7. Headphone rated current consumption: 7 mA
8. Charging time: about 1.5 hours
9. Frequency response range: 20Hz-20kHz
10. Charging interface: Micro-USB
11. Ergonomic design, comfortable to wear
12. Skin-friendly silicone material, including memory steel ring, rubbing will not deform
13. Automatic magnetic absorption design, more convenient without winding