Shark Motorcycle Audio SHK4RIDER 4 Rider Mototcycle Snowmobile Skiing Remote Communicator Talker with Remote Control Intercom (Black) Full Duplex Wirless Bluetooth Handsfree Intercom Communication Up to Pair 4 Riders and Talk Between Any 2 of Them; 1,000M (3,280 Feet) A2DP Bluetooth for Wireless Music and Audio GPS Direction High-End Supreme Sound With Advanced Noise Cancellation Technology Auto Receiving Cellphone Calls and Intercom Calls