2.5 configuring GZ, 320 GB, 4GB. Onboard Sound Notebook. More than enough to run the software. The problem is that the promise "removes singer's voice" does not really work. The sound is actually "reduced" but the whole is impracticable to do karaoke home or improvise with an instrument on a CD. So it is useless. After unpacking, installing and running an hour trying to adjust the settings I dropped the case and put away the box. Bad software, apparently extracting a track from a CD is not easy, even with machines more expensive because it requires a separation from the recording / writing which is rarely the case!
Used 1 hour and after ... closet. Absolutely not professional or effective, is not the point. I completely regret this purchase and I am surprised that the major chains offer for sale. Even at 30 euros it's nonsense, useless. I do not know to whom the product because the public's interest to turn to karaoke CDs, DVDs or the internet ...