features: *Long distance 1200 meter walkie talkie, helmet motorcycle, snowmobile, skiing, ATV and other Bluetooth walkie talkie kits. *1200m maximum intercom range *Maximum speed of 120 km/h *Automatically answer mobile phone calls *Audio navigation from GPS *Input audio interface through Bluetooth *DSP elimination of wind noise *24/7 protection *Suitable for any phone equipped with Bluetooth *Plastic+rubber buttons, with a more stable structure and better waterproof performance. The system is completely unaffected by the weather. *Provide wireless hands-free communication for motorcycle riders *Driving safely while chatting with friends *Play stereo music from your phone *Can be used as Bluetooth earphones and wireless music earphones when not cycling This product can accommodate up to 2 people at a distance of 1200m. You can communicate with friends during the cycling process. Feature 2: FM radio with built-in FM tuner Full duplex wireless Bluetooth hands-free intercom communication Rider to passenger or bicycle to bicycle wireless intercom 1200M intercom range A2DP Bluetooth for wireless music and audio GPS direction High end premium sound effects using advanced noise reduction technology Automatically answer mobile and internal calls Waterproof design that can withstand all weather conditions Insert headphones and microphone into the helmet - suitable for all standard helmet ears Maximum speed of 120km/h The product design is conducive to waterproofing. When using outdoors, you don't have to worry about rain. Using ultra durable and environmentally friendly batteries, the product can be used for 250 hours in standby mode. Continuous intercom for 10 hours The speaker has high-end HiFi stereo music in A2DP range, with a louder sound and clear communication at a speed of 120km/h.