Features
Battery Requirements: 4 AA Batteries (not included)
Built in audio cable connects any iPod or other audio device
Dimensions: 5.27" W x 2.83" H x 3.58" D
EXB circuitry for expanded bass
Power: Battery Operated
Technical Notes: Works with all MP3 players or audio devices with a headphone jack
I have a very similar iHome model - only it also has an a USB/power adaptor, so the batteries are only for backup. They make for a great clock radio with a nano.