Fusion MS-BT100 Bluetooth Dongle for Fusion Marine Stereo Head Units IP65 Water Resistant Construction, Engineered for the marine environment Direct Media Device Control Select Track, Album, Artist or Playlist from your compatible device while you're on the go around your vessel 10 Meter (33 Ft) Effective Range Stream your favorite audio tracks seamlessly within the effective range with ease Simple Installation Connect the RCA Connectors to the AUX input, +12V Power and ground required Bluetooth Profile A2DP, Bluetooth Version V3.0