1. TWS motorcycle headset for smooth communication, clear intercom, two-person intercom/CVC noise reduction/6 level waterproof/Bluetooth 50.2. With voice prompt function, it could help you achieve more precise operations, reduce errors, and communicate more quickly.3. 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.4. This product adopts a physical pressure button design to that you can clearly perceive the button operation while wearing gloves to prevent misuse.5. Using a well-designed waterproof technology, the waterproof level of this headset has reached IPX6 without fear of wind and rain. 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 earphoneBattery: Built-in 37V 800mAh batteryCharging Time: less than equal 2hCall Time: 12hStandby Time: greater than equal 240hBluetooth Version: Bluetooth 50Waterproof Level: IPX6Size: 103 x 26 x 50mm/405 x 102 x 197inch(L x W x H)Upgrade two functions: 1. Increase the earphone volume, the sound will be clearer.2. You will be able to connect with other brand products via Bluetooth, and have a smooth intercom.colour:BlackMaterial:ABS+electronic componentsPackage Contents:1 x Earphone1 x Base1 x Integrated half helmet microphone speaker1 x Charging cableOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.