Sony ICF-C05IP 30-Pin iPhone/iPod Clock Radio Speaker Dock with AC Power Adapter (Black) Compatibility: iPod mini; iPod nano 1G, 2G, 3G, 4G, 5G; iPod classic 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G; iPhone 1G, 3G, 3GS Wake or sleep to iPod/iPhone, FM radio, or buzzer Digital FM radio tuner with 20 user presets Sleep timer adjustable to 15, 30, 60, or 90 minutes Backup battery keeps time in the event of power outages,Power Requirements: 110-220V, 5VDC. Supplied Accessories: AC power adapter, dock adapters, and documentation.