The iPhone 4 Dock is an Apple-produced dock for the iPhone 4 mobile phone. It can charge the phone, sync the phone with the computer, and play music on external speakers
The iPhone 4 Dock lets you charge your iPhone, sync it with a computer, and play music through external speakers. Connect the dock to a USB 2.0 port or an Apple USB Power Adapter, place the iPhone in the dock, and follow the on‑screen prompts to use the device.
The manual also provides safety warnings, environmental information, and battery disposal guidelines. For full iPhone usage details, see the iPhone User Guide on Apple’s support site.
| USB connection | USB 2.0 port |
|---|---|
| Audio output | 3.5 mm stereo miniplug |
Connect the dock to a USB 2.0 port on your computer or to an Apple USB Power Adapter, then place the iPhone in the dock.
Connect the speakers to the dock’s Line Out port with a 3.5 mm stereo cable, place the iPhone in the dock, and play a song.