Avoid expensive equipment repair with this simple to use disc player cleaner! Regular cleanings of your lasar lens assembly is the key to keeping your CD player and CD-ROM drives free of dust, smoke and particles that cause your machines to skip, freeze, or crash. Simply insert the CD lens cleaner disc into your player, drive or changer and it does the work! A small brush installed on the underside of the disc gently cleans the delicate lens. The disc even talks you through the instructions.