1. TWS motorcycle headset for smooth communication, clear intercom, two-person intercom/CVC noise reduction/6 level waterproof/Bluetooth 5.0.2. 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 ensure 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 3.7V 800mAh batteryCharging Time: less than equal 2hCall Time: 12hStandby Time: greater than equal 240hBluetooth Version: Bluetooth 5.0Waterproof Level: IPX6Size: 103 x 26 x 50mm/4.05 x 1.02 x 1.97inch(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:4 x Earphone4 x Base4 x Integrated full helmet microphone speaker4 x Charging cableOnly the above package content, other products are not included.Note: Light reflection 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.