... It combines wireless microphone,karaoke jukebox, hard disk player, mini SD card, MP4,MP3 player,USB, internet etc all in one KOD-100 ... Hard Disk(Maximum capacity 160G ) *Comes with 8pcs SD Card Slots *Support 4 Digit Mike at same time! (2 Wireless Digit ... number or initial letter) *Full Magic Sing-along karaoke function*Support Songs' Language: Chinese, English, Vietnamese, Tagalog, Spanish, Japanese ...