Custom Accessories 10904 i-xt Holder with 12V USB Plug-in for Phone/iPod Built-in USB port with input 12 Volts dc and 5 Volt dc USB charging port USB charging port output 5 Volts dc up to 1000 ma Powers iPod cell phones and more and is adjustable Hold most phones and mp3 players Adjustable pivoting neck and width as well as rotating capability