Absolute AWH22 Infrared Wireless Stereo Dual Headphone with IR Wireless Transmitter Absolute AWH22 Infrared Wireless Stereo Dual Headphone with IR Wirelees Transmitter Infrared Wireless Stereo Dual Headphone with IR wirelees Transmiter for Car audio System Dual Channel for Two Audio Source Compatible with all Vehicle AV Applications Auto Mute and auto Power off functions avaliable for headphones