The motorcycle Bluetooth intercoms with high-quality waterproofing technology to ensure that use is not affected on rainy and snowy days. Suitable for any full face and most half-face helmets, easy operation and easy to assemble and remove. High noise reduction technology ensures clear voice call quality. If you have any questions, you can contact us by email. Supports answering or rejecting incoming calls, voice commands, play control, listening to the best Hi-Fi stereo music, GPS voice guidance, built-in FM receiver, free switching. When Bluetooth is connected to your phone, it enables priority switching between your phone, intercom, and stereo music. When intercom, it can automatically answer incoming calls, hang up can automatically resume intercom. This motorcycle Bluetooth intercom can be used for team communication, enabling up to 6 people to talk, more powerful than the common walkie-talkie on the market, can connect any Bluetooth headset, and support connect 2 mobile or multi-device phones at the same time, improve security and convenience. Pairing mode of the motorcycle intercom can refer to the instruction manual. Maxto M2 helmet communication system with the Bluetooth 5.0 chip, can be connected to any Bluetooth headset, can achieve full duplex communication. Longest working distance: up to 1000 meters;Standby state: 500 hours; Working state: 30 hours, can be used when charging, with high compatibility and stability.