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 wider, 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 ensure 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 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: greater than 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 / 2 x Earphone 2 x Base 2 x Full Helmet microphone 2 x Charging cable