Motorcycle Helmet Call Music Navigation Bluetooth Headset, Color: Green 1. Material: ABS+silicone+PC 2. Channel: stereo 3. Power requirements: 5V1A 4. Charging port: Type-C 5. Bluetooth distance: 10-15 meters 6. CVC noise reduction, voice assistant 7. Compact structure, waterproof and dustproof 8. High-definition speakers, 3D shocking sound 9. Three colorful lighting modes, switchable 10. Comes with base clip-on and stick-on mounting methods 11. Function: battery display, call function, voice control, support music 12. The signal is stable, the voice is clear, the mobile communication is convenient, and the anti-interference ability is strong 13. Battery type: rechargeable lithium polymer battery, battery capacity: 1200mA 14. It can be used and charged while riding, so that both charging and use are correct 15. Using Bluetooth 5.0 chip, more power saving, low latency, no noise, to achieve stable audio transmission 16. Hard-tube microphones are suitable for half helmetsopening helmetsretro helmets, and soft-wire microphones are suitable for full-face helmetsoff-road helmetspulling helmets 17. Working time: about 30 hours, charging time: about 2.5 hours 18. Two mobile phones can be connected at the same time; automatically answer the call, if you dont want to answer, you can press the button to reject or hang up, and then redial the last number 19. Large button design, reasonable layout, clear functional area, and physical pressure button design to ensure accurate, fast and safe completion during riding 20. Net weight: 58g 21. Dimensions: 90.5x48.5x32.5mm