Space Saver Alarm Clock for your iPhone. Wake to iPhone or iPod of buzzer alarm. Plays and charges iPhone and docking iPod models. Sync button allows user to sync unit to iPhone time. EXB Expanded Bass and Reson8 technology for great sound. Line-in jack to listen to other audio sources. Snooze/dimmer bar adjusts to Med/Hi brightness. 100V-240V universal voltage adaptor included. Battery backup.