Precision operation: With voice prompt function, it can help you achieve more precise operations, reduce errors, and communicate faster. Clear voice: The U-band propagation is relatively stable and the frequency band is wider, and the anti-interference ability is strong, giving you a clear calling experience. Easy to use: This product has a physical push button design, so you can clearly perceive the button operation while wearing gloves to prevent misuse. Waterproof: With 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-face helmets, off-road helmets, half-face helmets, visor helmets, retro helmets, etc. Type: Motorcycle Bluetooth Headphone Battery: Built-in 3.7V 800mAh battery Charging time: less than or equal to 2 hours Talk time: 12 hours Standby time: greater than or equal to 240 hours Bluetooth version: Bluetooth 5.0 Waterproof level: IPX6 Material: ABS+metal Color: Black Package Contents: 2 x Headphones 2 x Bass 2 x Full-face Helmet Microphone 2 x Charging Cable The above package content only, 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 +/- 1-3 cm.