This Offshore Stilo 2 way VHF intercom with Bluetooth has the addition for the connection of a Bluetooth device. This is suited for both a competition or high performance please boat when a radio or telephone can be connected. VHF push to talk Radio connection wired through the intercoms wiring loom, and powered from the boat power supply. This unit is designed for the connection of 2 helmets. Please note the photo shows a 4 way system with 2 additional helmet connections.