These cleaning products are made for optical media and the players that read them, including Blu-ray discs, CDs/CD-ROMs, DVDs, game discs, and computer disc drives and standalone players.
Common materials include lint-free fabric wipes, microfiber cloths/brushes, carbon-fiber brushes, and other dry brush systems designed specifically for lens cleaning.
Some cleaning discs include on-disc voice or audio instructions, audio/system checks, and calibration tools to help tune playback in addition to removing dust.