Alarm Clock Stereo Speaker System Alarm clock stereo speaker system.-Compatible with iPhone and iPod models Universal dock charges and plays iPhone or iPod devices.-Wake or sleep to iPhone and iPod Hi-fi neodymium micro drivers in specially designed reason 8 chambers Adjustable sleep volume set a separate sleep volume without affecting the alarm volume.-Gradual wake and gradual sleep gently increases or decreases alarm and sleep volume 12 or 24 Hour time display.-Daylight saving time switch.-Extra large backlit custom LCD display with dimmer.-Battery backup.-Line in jack