12 Way Intercom: The motorcycle bluetooth headset supports up to 7 devices to connect, 2 riders real time intercom, the maximum use distance is 800m/31496.06in. 2Bluetooth 5.1: Using professional 5.1 Bluetooth version, while achieving low power consumption, greatly increase the data transmission rate, guaranteed excellent quality sound. 3Low Noise: With professional noise cancellation technology, the other party can hear your voice more clearly, actively capturing and filtering the noise of the surrounding environment while riding calls. 4Excellent Performance: IP65 waterproof allows you to use Bluetooth headsets freely in any situation. Built in Fm radio, you can listen to the radio while riding. 5Features: With a wide range of accessories and strong helmet compatibility, you can choose the appropriate way to install the intercom according to the type of helmet.