This 1U/ 19" media player can play different audio sources: Audio CDs (slot-in player with anti-shock memory) USB sticks (max. 16GB, FAT32 formatted) SD / SDHC cards (max. 16GB, FAT32 formatted) Bluetooth sources FM/AM tuner (autoscan and 10 station memories) Supported file formats: MP3, WMA, CDA (CD audio) Thanks to the AUTO-PLAY function, playback starts immediately when power is turned on. Output volume control Infrared remote control supplied Random or programmable playlist Unbalanced (-10 dB) RCA output Works both on 230Vac and 12Vdc power LINK FOR FULL INFORMATION AND USER MANUAL: MPU130BT MKII