Voice Sound Control Reactive LED Light Up Mask Dance Rave Party Halloween Mask Description: 100% brand new and high quality 1.The thickness of light sheet 0.3MM, flexible and flexible, low power consumption, no heat, brightness, uniform, bright colors. 2.The product uses 2 * AAA battery (not included), open the drive back cover into the battery, turn on the power switch, voice control light, according to the rhythm of the scene's music, the size of the sound and rhythm beat. Feature: Mask material: PC Property: Dance Mask Applicable age: adult Cover mask: full face Applicable festivals: Halloween, birthday parties, parties, etc. Packaged include:1X Full Face Mask