... Touch Type: Multi-Dots Infrared Rays Touch Panel (IR) PC System: Build-in Mini-PC Full Metal Frame + Horizontal Design + Black Color 11 ... . Touch Intensity: Over 60,000,000 Single Point Touch9. Operation System: DOS, WINDOWS9X/ME/2000/XP/2003/VISTA, LINUX10. perating Voltage ... different folders, copy all target files to those different folders, system would default to play your target file one by one ...