Feature●Product Type: Wet (When dry with tough dirt and cannot be effective)●Includes: 1 x Cleaning Disk, 1 x Cleaning Solution●Applications: CD players, recorders with DVD playback, computers, game consoles, and other devices with CD DVD playback function●How to use: Simply set the disc to the player and play it●Caution: This product is intended for cleaning the lens of the player. It is not effective for broken devices (disk cannot be played at all, no reading). There is no limit to how many times you use it, but it is time to replace it if the brush is loose or the deadDescription Multi-type for both CD DVD players