Full Led Mask, adjustable strap, perfect for birthday parties, Halloween, Christmas, Carnival etc. Led uses 2074 lamp beads and 2121 RGB led lamp beads. Features 45 display modes and 70 static display images. Led mask can be set to single color, flash, gradient or multi color. After connecting to the led mask via bluetooth the mask can be programmed through the Shining App (which can be dowloaded from the google store or app store). Requires 3 AA dry batteries (not included). Will last for 12-16 hours.