"Connect the Apple Digital AV Adapter to your iPad 4, iPhone 4, iPhone 4S, or iPod touch (4th generation) via the 30-pin dock connector and to your HDMI-compatible display using an HDMI cable (sold separately.) A second 30-pin connector built into the AV adapter lets you charge and sync your device while it’s connected to your HDMI-compatible display."

Products Mentioned In Article:
Apple TV
Digital AV Adapter
Lighting Digital AV Adapter