... the playing function for USB and SD card absolute Power Amplifier,and stereo FM radio (87.5—108MHZ)onto ... ,stations memory.(7) Storable 40 stations.(8) Power amplifier output 1.2W*2 powered with lithium battery.(9 ... input slot2,AUX input slot 3,Either External power input or remote receiving window, but most of ... condition for remote receiver. 4,USB power input 5,Power switch 6,USB flash disk slot 7,EQ ...