DVD Cleaning Disc, HAMA-116200

Designed to gently clean the laser optics in a DVD player
6 micro brushes remove dirt particles that compromise the quality of video and audio media playback
Includes animated videos with 5.1 channel sound
Provides a choice of 8 languages

Includes menu-controlled test functions to verify:
Audio frequency response
Prologic audio system
Color, brightness and contrast
5.1 audio channel