Fangrui Product Details 1. Motorcycle Helmet Call Music Navigation Bluetooth Headset, Color: Green 2. Material: Abs+silicone+pc 3. Channel: Stereo 4. Power Requirements: 5v1a 5. Charging Port: Type-c 6. Bluetooth Distance: 10-15 Meters 7. Cvc Noise Reduction, Voice Assistant 8. Compact Structure, Waterproof And Dustproof 9. High-definition Speakers, 3d Shocking Sound 10. Three Colorful Lighting Modes, Switchable 11. Comes With Base Clip-on And Stick-on Mounting Methods 12. Function: Battery Display, Call Function, Voice Control, Support Music 13. The Signal Is Stable, The Voice Is Clear, The Mobile Communication Is Convenient, And The Anti-interference Ability Is Strong 14. Battery Type: Rechargeable Lithium Polymer Battery, Battery Capacity: 1200ma 15. It Can Be Used And Charged While Riding, So That Both Charging And Use Are Correct 16. Using Bluetooth 5.0 Chip, More Power Saving, Low Latency, No Noise, To Achieve Stable Audio Transmission 17. Hard-tube Microphones Are Suitable For Half Helmetsopening Helmetsretro Helmets, And Soft-wire Microphones Are Suitable For Full-face Helmetsoff-road Helmetspulling Helmets 18. Working Time: About 30 Hours, Charging Time: About 2.5 Hours 19. 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 20. Large Button Design, Reasonable Layout, Clear Functional Area, And Physical Pressure Button Design To Ensure Accurate, Fast And Safe Completion During Riding 21. Net Weight: 58g 22. Dimensions: 90.5x48.5x32.5mm