Come and see our amazing products. The Light up glasses has only one control button, and the switch of led visor glasses and the switch of light-emitting mode can be controlled by long press and short press. The control button is located on the left side of the glasses near the auricle. When you press this button with your index finger, you will find that this is a very cool posture, which has a sense of future technology. Pls confirm further with us if any query about packing info, inventory status and time schedule.