S21 Riding Helmet Bluetooth Intercom Headset, Specification:, S21

1. Structure waterproof and nano-waterproof, effectively blocking rain, rain can also be used
2. USB interface charging, support charging while using
3. Intelligent power management system, low power consumption
4. Functions: call, voice, music, FM
5. Bluetooth: 5.0
6. Transmission distance: about 10m
7. Sound channel: stereo sound
8. Battery capacity: 1000mAh
9. Charging interface: USB
10. Charging time: about 2-3h
11. Use time: about 21h
12. Material: ABS, silicone
13. Waterproof rating: IP67
14. Weight: about 199g

Packing list:
- Earphone x 1
- USB charging cable x 1
- Instruction manual x 1
- Paste sheet x4