1, Songbook :40000 songs 2, USB record Support MPEG4,VCD,CD+G, 3, WAV etc High ... , Chinese, Japanese, Filipino, Spanish, Russian, Thai, Brazilian, Vietnamese Etc. 5 , USB & 3-In-one (SD, MMC, MS) card reader is available6 ... and volume control score inAudio output5+1 audio output, coaxial cable, optical fiber audio output, L/R audio outputS/N ratioMore ...