Stay connected without a bulky external Bluetooth system, the LinkIn Ride Pal is sleek and thin keeping a streamline look on your helmet This Sena created system is compatible with the LS2 Vector, Metro, Breaker or Infinity helmets The LinkIn Ride Pal is compatible with any other Sena systems Will pair with up to three other systems at one time for intercom use An intercom distance of up to 400m The LinkIn Ride Pal will also pair with other non-Sena communication systems using the Universal Intercom Mode Use the multipoint pairing for a second device such as a mobile phone or GPS system Listen to your favorite music with the A2DP Stereo English voice prompt support Advanced noise control Update the LinkIn Ride Pal with the LRP device manager that can update firmware online Up to 8 hours talk time and 7 days standby