Sena BT10 Intercom with Microphone Kit. The Sena Bluetooth Mic and Intercom is an ultra-slim| light weight microphone that allows users to make an intercom call. It may function as a microphone when paired with the Sena Prism or Sena Bluetooth Audio Pack for GoPro. It also works as a headset and intercom through the use of an earphone that users have. As a Bluetooth microphone and intercom| it allows for voice recording to accompany videos as well as communicate with other Bluetooth intercom. The Sena Bluetooth Mic and Intercom allows for up to a four-way conference and features voice prompts for ease of use. - Voice prompts - Bluetooth stereo headset for Bluetooth audio devices such as MP3 players - Bluetooth music playback control by AVRCP: play| pause| track forward and track back - Sufficient sound level with integrated audio booster - Bluetooth handsfree for Bluetooth mobile phones - Durable| sweat and water resistant for active condition - Crystal clear and natural sound quality - Up to 6 hours talk time| 6 days stand-by time - Individual volume control for each audio source - Firmware upgradeable - Peace of mind| thanks to the two-year warranty