Detailed Product Description Product description: The professional MIDI karaoke system MK-8504 player is one of the newest 2005 karaoke systems designed for music fans and small karaoke business. This machine is loaded with superb features and comes with a MIDI hard disk with thousands of songs ready to play. Instead of spending time shuffling through a karaoke disc, users can simply look up the song number in the song book or search by screen, punch in the song number and be ready to sing. This is a perfect machine for home parties. Why spend thousands of dollars buying discs that may only be used a few times? This system comes with thousands of songs which will make your party last all night. The player comes a with scoring function that will give a score at the end of each song. The MK8502 also supports different music formats. It can play thousands of MIDI music, MTV, MP3 music and VCD movies. You can download different types of music or movie files into the machine. Specifications: 1) Power (adapter): embedded 2) Electric power: 25W 3) Image method: NTSC / PAL 4) Dimensions: 266 x 250 x 92mm 5) Weight: 2kg 6) Voltage: 100 - 240V 7) Frequency response: 90 10) Operation temperature: 0 ~ 40癈 11) Built-in hard disk: 40G 12) Built-in songs: 7,000 (MIDI format) 13) USB flash drive 2.0