ReTrak 4-in-1 is a Charge and Sync combo adapter from Emerge Technologies that is iPad optimized combo unit for recharging in a car, a wall output or computer. You could also use it as combo adapter for other mobile devices, including smartphones, iphone, ipod, etc.
You will find 3 USB port on the ReTrak 4-in-1 Charge and Sync combo adapter. The first USB power port is iPad optimized, second one is USB port for charging iPhone and other USB devices and the fold-out plugs is for wall output and car charging.
Inside the bundle you will also find a retractable USB 2.0 sync/power cable for extra convenience when you are on-the-go.