Please note: The front seat and back seat can communicate between two riders, and the connection distance between the two devices is 1000M. Wide application: The soft microphone set is suitable for full face helmet, rally helmet. The hard microphone set is suitable for half face helmet, reveals face helmet, retro helmet. Features: Precise operation With the voice prompt function, it can help you achieve more precise operations, reduce errors and faster communication. Clear voice U-band propagation is relatively stable, and the frequency band is wider, and the anti-jamming ability is strong, which ensures clear conversation. Easy to use. This product adopts physical button pressure pattern to ensure that you can clearly see the button operation while wearing gloves to prevent misuse. Waterproof Thanks to the well-designed waterproof technology, the waterproof level of this headset has reached IPX6 without fear of wind and rain. Specifications: Type: Motorcycle Bluetooth Headphones Material: Plastic and Electric Components Quantity: 1 pc Item Color: Black Battery: Built-in 3.7V 800mAh Battery Charging Time: le 2h Connection time: 12h Standby time: ge 240h Bluetooth version: Bluetooth 5.0 Waterproof level: IPX6 Size: 103x26x50mm or 4.05x1.02x1.97 inch (LxWxH) Weight: 150g or 5.29oz Packages: 1xearphone 1xbase 1xintegrated microphone with full helmet 1xcable for Charging 1xUser Manual 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.