1. Long range-1200meters intercom, Bluetooth interphone kits for helmet motorcycle, Snowmobile, ski,etc. 2. Up to 120km/h speed. 3. Advanced Qualcomm chip. Bluetooth 5.0. 4. High-power stereo high-definition sound earphones bring real music experience fun. 5. with CVC call noise reduction function. 6. 2 people can talk in real-time in full duplex at the same time. 7. Waterproof rating: IP67. 8. Supports 2 devices to be interconnected at the same time, pairing and intercom with most brands in the market. 9. Music sharing, sharing the beauty of riding. 10. 850mAh capacity battery, low power consumption system operation, strong battery life for 15 hours listening to music/answering calls.