Manufacturer’s Description

The iPad Keyboard Dock combines a dock for charging your iPad with a full-size keyboard, which includes special keys that activate iPad features. The dock has a rear 30-pin connector, which lets you connect to an electrical outlet using the USB Power Adapter, sync to your computer, and use accessories like the iPad Camera Connection Kit. An audio jack lets you connect to a stereo or powered speakers (audio cable sold separately).

Manufacturer’s Website