SENA 10R Low Profile Bluetooth 4.1 Headset and Intercom Low profile, yet rich with high-performance features, the Sena 10R lets riders make hands-free phone calls, listen to music, get GPS directions, and have full-duplex intercom conversations with other riders in crystal-clear audio quality through the stereo Bluetooth headset. Keep the conversation going, share a playlist with up to four other riders, or patch in a phone call that everyone can jump in on The Bluetooth 4.1-equipped 10R does it all with crystal-clear sound quality and proprietary noise-reduction technology at ranges of up to 900 meters (0.5 miles) If your fellow riders dont have Sena Bluetooth intercom gear, Senas Universal Intercom firmware makes the 10R compatible with all other Bluetooth communications systems on the market Optional handle bar remote sold seperately