Blue LED Screen for Media Playback Information - Treble & Bass Control - 110/220 Voltage Selector * Double Decoder Digital Media Function with Remote Control - Master Volume Control * Built-in USB & SD Card Readers - 3.5mm/1/8"" AUX Input Jack for iPod/iPhone/iPad/CD/MP3 Players * Power on Blue LED Circle Indicator - Four Push Type Speaker L/R Terminals * Compatible with MP3/WMA Files - RCA Cable L/R Input - Dimensions: 6.30""W x 2.72""H x 4.72""D