... ,SD/HDD Smart All in One system with competitiv price,Stable sound KOD-100 HARD DRIVE Wireless ... . It combines wireless microphone,karaoke jukebox, hard disk player, mini SD card, MP4,MP3 player,USB, ... Thai, Korean, French, Hindi, Indonesian, Italian, Latin Specifications: 1) Operation temperature: -20 ~ 50°2)Voice frequency range: <± ... Dimensions: 407 x 337 x 137mm ) ;8)Weight: 2.85kg 9) Voltage:12V