BLINC 3 Integrated Bluetooth offers: - Take or make a cell phone call via your Bluetooth compatible phone - LED screen shows mode (pairing, intercom, FM) for easy use - 450 Meter helmet-to-helmet intercom - Two high-quality, built-in, multi-directional speakers with true stereo sound - Built-in, hidden mic with noise cancelation - FM radio with auto seek - Ability to listen to MP3 music and GPS instructions via Bluetooth capable devices - Incoming calls automatically mute music or GPS instructions and automatically reconnect after call is ended