Create your own home audio system, jukebox, jingle player, audio messages, sound effects, … MP3, where you want and how you want it! SD card operation (SD card not included), high-quality VLSI decoder, 7 user definable preset buttons with external connection, play-pause, next, previous, search, volume control, random and shuffle, 8 different preset sound modes, 6 play modes: All, Folder, At power-on... On-board infrared receiver, on-board power amplifier, line or phones output: 3.5mm jack, direct stereo speaker output: 3.5mm jack, mono operation is possible.