Charge and sync your 1Phone 4 with the iPhone 4 Dock. Your 1Phone 4 sits upright in the dock as it syncs or charges, so it's perfect for a desk or countertop. It features a convenient audio line out port that connects to powered speakers. It supports other iPad accessories, such as the USB Power Adapter. You can even conduct speakerphone calls with your 1Phone 4 in its dock. Here are some ways you can use the 1Phone 4 Dock: Connect the dock to your computer with the USB cable included with your 1Phone 4 to sync 1Phone 4 and charge its battery. Connect the dock to an electrical outlet using the Apple USB Power Adapter (included with your 1Phone 4) to charge the battery. Place your 1Phone 4 in the dock and enjoy clear audio during speaker phone calls thanks to special audio porting.