Specifications: 1) With USB and SD MMC CARD input jack 2) AM/FM digital tuning radio 3) Stereo jack/LO or DX receipt jack 4) EF/RW button, disc auto loading/eject 5) Pre RCA R/L output 6) Pre RCA SUB woofer output 7) CD MP3/CD-R player and detachable face system 8) Electronic audio / bass / treble / left-right squlize / front-back speaker 9) 4 x 40 watts power output 10) Operating power: 11-16V 11) Optional: RDS