1. Universal Bluetooth headset for helmets, automatic answering, hands-free, waterproof body
2. 30mm customized large sound unit, clear sound quality, no fear of wind noise
3. Built-in large-capacity lithium battery, 20 hours of long-lasting battery life, let you ride for a long time
4. Not worn in the ears, clearly hear the outside sound, safe riding
5. Chip: Zhongke Bluexun
6. Bluetooth version: 5.3
7. Bluetooth transmission distance: 10 meters
8. Bluetooth music time: 20 hours
9. Headphone channel: Stereo 2.0
10. Microphone distance: 1 meter
11. Bluetooth standby time: 90 hours
12. Battery capacity: 200 mAh
13. Charging voltage: 5V
14. Charging time: 2 hours
15. Weight: about 68g