2 in 1 cable for iPhone: Charging and Synchronizing
If you carry an iPhone with you everywhere you go, you will need this iPhone USB charge / sync cables.
This iPhone cable use the dock connector to USB cable to charge and synchronize your iPhone to your laptop or PC.
You can update music, pictures and data to your iPhone through this USB data cable. Synchronization and charging of your iPhone is done at the same time.
All you have to do is plug in the cable into your iPhone, connect the USB to your laptop or PC, and it will automatically start charging and synchronizing. No extra power or software is needed.