... is, the longer recording time are)Professional Karaoke Features and DVD Features * USB & 3-in-one (SD, MMC, MS) card ... Digit microphones with 12 keys(MODEL:SJ-100)*Compatible formats: DVD, MPEG4 ,VCD , SVCD, MP3, CD , CD-R, CD-RW, ... * Built-in English ,Chinese , Japanese , Filipino, Spanish , Russian , Thai , Brazilian , Korean ,Vietnamese and other languages for Midi-disc playback* Supporting song ...