Adjustable leatherette padded headband and lightweight construction for comfort | Design for rear seat car entertainment (over-head video and headrest dvd), support Infrared wireless connection via IR transmitter ( battery needed,not included),dual channel and intuitive volume control for the setup | UNIVERSAL COMPATIBILITY - Compatible with Volvo,Dodge,Chrysler,GMC Yukon,Cadillac Escalade,Uplander,Tahoe,Acadia,Buick Enclave,Pontiac Montana SV6,Terraza,Saturn Relay,Equinox,TOYOTA,LEXUS,Honda and more original car DVD players / aftermarket Headrest video player (DO NOT SUPPORT DIGITAL IR system and wireless playback for portable DVD players) | Comes with 3.5mm audio cable, you can use it to connect the car stereo or CD DVD players, iPad,smartphones | Lifetime technical support