This is a Genuine Apple iPod USB cable. This has a 30 pin iPod dock connector on one end, and USB on the other. This is for charging and syncing your iPod Classic (4th/5th/6th/7th generations). 

It also works with the iPod mini 1st/2nd gen. iPod nano 1st/2nd/3rd/4th/5th/6th generations. iPhone 2g/3g/3gs/4/4s. iPod touch 1st/2nd/3rd/4th generations.

This cable is 4ft long. 

The cable is used, but has been cleaned and is in good working order.