1, Easy installation; 2, IR Transmitter; 3, FM Transmitter; 4, Battery recharger; 5, USB, SD ... headrest posts;2, Built-in Double channel IR Transmitter: Transfer IPAD sound to Car IR Headphone;3, Built-in FM Transmitter: Wireless ... recharge IPAD Battery; 5, Portable: Just insert bracket to use and easy take out anti-thief;6, Adjustable: Bracket has long ...