Vestalife Ladybug Portable Speaker Dock for iPod (Silver) Compatibility: iPod mini; iPod nano 1G, 2G, 3G, 4G; iPod classic 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G Charges iPod when connected to AC Built-in subwoofer and digital amplifier technology for rich sound Includes full-function remote control and carrying tote bag AC or battery powered with battery-saving automatic shut-off feature