Finally - lit sunglasses that are super groovy! Blue Peace Sign Light Up Sunglasses are a gas! Get noticed, spot your friends in a crowd, take to a concert or club - light up shades are perfect for any occasion. To activate your LED Glasses, push the button on the battery pack behind the ear. 3 light choices to choose from: quick flash, slow blink or a still light. Wires throughout glasses are covered, never exposed, so safe for all. 3 AG3 batteries included and replaceable.