Wake or sleep to iPhone, iPod, app alarms Start or end your day just the way you want it to sound. Retractable dock to charge and play iPhone or iPod while docked Enjoy your music while keeping your iPhone or iPod fully charged. Custom alarm and nap settings Use the iHome + Sleep app to tailor your alarm and nap settings for any time or frequency to suit your lifestyle. Sync button Syncs clock time to always-current iPhone time settings in seconds. Reson8 speaker chamber. Specially designed high-end driver delivers pure, crisp audio. Adjustable EQ Bass and treble controls let you customize your sound. Programmable snooze time Lets you sleep in a little or a lot with snooze time between 1 and 29 minutes. No inserts needed Dock fi ts iPhone and docking iPod models. Gradual Wake and Gradual Sleep Gently increased/decreased alarm/sleep volume eases waking and sleep. Universal 100/240VAC switching power supply. Line in jack. 12 or 24 hour display. Battery Backup. BLACK