Features-Bluetooth-3-0-Bluetooth-intercom-up-to-900-meters-980-yards-Light-weight-&-ultra-slim-profile-Four-way-conference-intercom-Conference-phone-call-with-intercom-participant-Multipoint-for-mobile-phone-GPS-Voice-prompts-Bluetooth-stereo-headset-for-Bluetooth-audio-devices-such-as-MP3-players-Bluetooth-music-playback-control-by-AVRCP-Play-pause-track-forward-&-track-back-Sufficient-sound-level-with-integrated-audio-booster-Bluetooth-handsfree-for-Bluetooth-mobile-phones-Bluetooth-headset-or-stereo-headset-for-Bluetooth-GPS-navigations-Water-resistant-for-use-in-inclement-weather-Crystal-clear-&-natural-sound-quality-Can-be-used-while-charging-on-road-trip-Individual-volume-control-for-each-audio-source-Firmware-upgradeable-Peace-of-mind-ndash-thanks-to-the-two-year-warranty-Package-Content-Headset-Main-Unit-Velcro-Pads-for-Main-Unit-Double-Sided-Adhesive-Tapes-for-Main-Unit-Large-Speakers-Velcro-Pads-for-Speakers-Speaker-Pads-Attachable-Boom-Microphone-Velcro-Pad-for-Boom-Microphone-Wired-Microphone-Velcro-Pad-for-Wired-Microphone-Microphone-Sponges-Battery-Pack-Velcro-Pad-for-Battery-Pack-USB (Universal Serial Bus)-Power-amp-Data-Cable-Micro-USB (Universal Serial Bus)-Type-Cigarette-Charger-Micro-USB (Universal Serial Bus)-Type-Optional-12V-Bike-powered-Kit-with-On-Off-Control-by-Ignition-Switch