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 Half Helmet Specifications: Music Sharing Function distance:50M Intercom distance:600M Bluetooth distance:30M Type: Motorcycle Bluetooth earphone Battery: Built-in 3.7V 1000mAh battery Charging Time: 2.5h Call Time: 20h Standby Time: 240h Bluetooth Version: Bluetooth 5.0 Waterproof Level: IPX6 Colour:Black Material:ABS+TPU Package Contents: 1 Set Bluetooth Headset(1 PCS bluetooth headset host + 1 PCS headphone bracket sticker + 1 PCS charging cable + 1 PCS Half helmet Hard label + 1 PCS English manual + 1 PCS gradient red frame + 1 PCS gradient silver frame) Only 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.