True hands-free simply say any word within 10 seconds to answer ining callMultipoint technology allows seamless switching between 2 Bluetooth devicesBike-to-bike inter mode for rider-to-passenger/separate rider up to 1640′ awayStream stereo audio/music from A2DP Bluetooth phones and music playersMusic remote control using AVRCP allows user to play pause rewind and fast forwardListen to audio directions from any Bluetooth -enabled GPS device (works with ‘motorcycle-friendly’ GPS devices only)All weather waterproof design (IP-67 certified water- and dust-resistant)Large controls designed for easy operation with gloves onAutomatically connects and reconnects to phonemounts onto all full faced and open face helmets without affecting the helmetAnti-theft quick release button Supported Bluetooth profiles: A2DP (Advanced Audio Distribution Profile) AVRCP (Audio/Video Remote Control Profile) Hands-Free Profile (HFP) Headset Profile (HSP)Up to 10 hours talk time or 700 hours standbyCompliant with Bluetooth v2.1Includes removable control panel with clip/screws adhesive control panel with Velcro clip adapter screwdriver and AC adapter