LED Colors: Purple/Green/Yellow

Size: 10 inches x 5 inches

Batteries: 2 Pre-installed AAA Alkaline Batteries

Feature:
Designed with a cushioned backside, Each mask is comfortable to wear for long periods of time.
Sound Activated
Hundreds of diamonds will flash to the beat of the music.
A rotating dial built into the battery case can be changed to increase or decrease the flashing intensity based on the noise of your surroundings.