Calendar Temperature Alarm/Snooze Backlight With Aux Jack Speaker:3W x1+2W x1 Comply with SD-Slot and Flash Drive CalendarTemperatureAlarm/SnoozeBacklightComply with SD-Slot and Flash DriveWith Aux JackRemote ControlSpeaker:3W x1+2W x1 Unit size:21x16.5x13.5cmUnit weight:1690gPower: 5xAA & DC7.5V FM Radio with MP3 Speaker