Precise operation: With voice prompt function, it could help you achieve more precise operations, reduce errors, and communicate more quickly. Clear voice: The U-band propagation is relatively stable and the frequency band is , and the anti-interference ability is strong, bringing you a clear conversation experience. Easy to use: This product adopts a physical pressure button design to that you can clearly perceive the button operation while wearing gloves to prevent misuse. Waterproof: Using a well-designed waterproof technology, the waterproof level of this headset has reached IPX6 without fear of wind and rain. Wide applicability: This helmet headset is suitable for many types of helmets on the market, such as full helmets, off-road helmets, half helmets, visor helmets, retro helmets, etc. Type: Motorcycle Bluetooth earphone Battery: Built-in 3.7V 800mAh battery Charging Time: less than equal 2h Call Time: 12h Standby Time: equal 240h Bluetooth Version: Bluetooth 5.0 Waterproof Level: IPX6 Material:ABS+metal colour:Black Package Contents: 2 x Earphone 2 x Base 2 x Half Helmet microphone 2 x Charging cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.