*Note: SMART HJC BT App works only with SMART HJC 50B, 21B, 20B----------------------------------------------------SMART HJC BT APPSMART HJC BT App allows you to manage intercom groups, configure device settings, save up to 3 Speed Dial presets, save up to 10 FM radio station presets, and view the Quick Start Guide and the Users Guide.By simply pairing your phone with your headset, you can use SMART HJC BT App for quicker and easier set up and management.Key Features:* Remote Control for Mesh Intercom, phone and music* Manage Intercom pairing list and rename of device.* Smart Intercom Pairing* Group Intercomâ„¢* Individual volume management* Get updates on the latest firmware and notices* Quick Start Guide* Advanced device settings* Set up speed dials* Preset 10 FM radio stationsTo use SMART HJC BT App, download the app and pair/connect your SMART HJC 50B, 21B, 20B headset to your mobile phone in the Bluetooth settings menu.Please contact us for support at oem.sena.com/hjc/For more information on SMART HJC BT products and updates please visit: http://oem.sena.com/hjc/