Using these futuristic LED glasses is super easy. Just put them on your face like regular glasses. You can turn on the lights by pressing the small switch on the side. To change the light mode from blinking to solid, just press the switch again. When it comes to maintenance, keep them away from water and don't expose them to extreme temperatures. If the lights seem dim, it's time to replace the batteries. You can easily find replacement batteries at most convenience stores. Also, be careful not to drop them as it might damage the LED lights. Enjoy your unique and eye - catching look with these cool glasses!