Wireless headsets that will connect to your Car, Truck, or SUV built in DVD system. Just put in the batteries and turn on and these will connect to your built in system. Featuring 10 meter distance with Bright IR transmitter. Adjustable headband for best comfort. Cushioned ear pad for long-listening comfort. Battery life 48 hrs with alkaline battery Auto power off function activates when no signal is being received for about 20 seconds.