Allows sena bluetooth headsets to connect to sena's mesh network thanks to mesh 2.0 technology Open mesh intercom allows you to communicate with a near-unlimited number of users participating in mesh communication Has an effective range of up to 800 meters (0.5 miles) Easy to install; simply attach the device to a spot with the clearest line of sight to the person you wish to connect to Easy to use: pair your sena bluetooth headset to the device by pressing the multipurpose button on the +mesh Included components: Adapter, Accessories Fit type: Universal Fit