UClear HBC120 Snow Sports Helmet Communicator Bluetooth Headset Stream and wirelessly control music Powerful Hi-Fidelity Speakers (20-20.000 Hz) Voice activation for hands free pick up Boom-less Microphone with Active Noise Cancellation Rider-to-Rider Intercom (requires second UCLEAR Headset) communications up to 10 meters (Long distance group communication requires WT300 accessory)