The Slim Dual Charge Dock adds stability to your PS3 Slim when setting it in the vertical position and also acts as a charging dock for 2 SIXAXIS® or DUALSHOCK® 3 controllers. It has an additional 2 USB ports built-in giving you the flexiblity you need for charging controllers, keypads and headsets, using the PlayStation Eye or a combination of these. The additional USB ports can also be used to charge your favorite MP3 Player or cell phone.