LEXIN LX-B2 MotoF&otilde;n BT Interphone Bluetooth Motorcycle Helmet Intercom Headset, Motorbike Communication System for Rider The LX-B2 provides easy hands-free communications while riding. With access to Siri (iPhone) and S Voice (Samsung) voice commands, you can make or receive calls, listen to hi-fi stereo music, or GPS voice guidance - all via wireless Bluetooth v3.0 protocols. Connect to any Bluetooth-enabled music player, GPS device, or mobile phone. Functions well for speeds up to 120 kph. Lithium ion battery provides up to eight hours talk time, or 120 hours standby time. Uses the A2DP Bluetooth profile for wireless music and audio GPS directions, and the HFP profile for mobile phone calls and voice commands. Included speakers and microphone provide high-quality sound with advanced noise cancellation technology. New interchangeable microphone allows you the choice between a boom microphone for open- or flip-face (convertible) helmets, or a button microphone for full-face helmets. Universal pairing feature, compatible with most Bluetooth headsets or earpieces on the market, enables you to share the riding experience and enjoy conversation with your passenger. Waterproof design handles all weather conditions. Designed to fit most full-face, convertible, and open-face helmets. Water Resistant for Usein Inclement Weather 3.5mm Aux-in for External Audio Devices Bluetooth for Wireless Music with Volume &amp; Track Selection Easy installation