USB Line Out Dock Cable lets you get high-quality line out audio from the dock connector of your iPad, iPhone, or iPod while charging. One end has a 30-pin connector that attaches to the bottom of your iPad, iPhone, or iPod, the end other splits into a 1/8" (3.5mm) stereo audio plug and a standard USB connector. Plug the audio into a home, portable, or car stereo to listen to high quality, line-out audio. Plug the USB into a computer or wall charger to charge the iPad, iPhone, or iPod while listening for hours.

Features:

? Connect your ipod or iphone to car audio or amplified speaker with aux input 
? The dock connector sends line level audio out from your ipod / iphone, provides a better sound quality then the headphone jack output
? 2 in 1 cable with USB plug for connect to the computer
? Gold plated 3.5mm jack connector 
? Car charger input: 12-24VDC, Output:5.0VDC 1.0A

? Brand New and High Quality
? Quick connectivity to computers with USB port.
? Quick charge your iPhone or transfer your data with USB port. 
? With 3.5mm jack directly connecting it to the 3.5mm input socket on your car stereo, home Hi-Fi, DAB radio or amplifier.
? Compatibility: iPhone 4S