This cleaning CD is just great, I thought my CD player was broken, but after using this miracle product he was Weider like new. The music played during the cleaning is very nice. Furthermore, it is worth noting that you can use this CD not only in CD players but also in DVD player, CD-ROM drives, DVD-ROM drives sowei CD or DVD burners, well here it works beautifully. Besides these, it is preferable that you do not need Reinigungsfülligkeit for this product. Super product !!! Necessarily buy !!!