Touch Switch: The touch switch of this USB LED lamp is thoughtful and convenient to use. You just need to touch the head sensor switch of the lamp, long press the button to adjust the brightness, release the button to achieve the brightness you want. Long press weaken the light source, short press the button to turn on or off. < p>Flexible and Sturdy: These LED reading lights feature 360-degree flexible aluminum alloy goosenecks, durable and flexible, bringing light to your favorite position 10 LED Lights: 10 LED beads in these USB -Laptop lights that are bright enough to read, write, or use in most cases. You can rotate the lights to your liking, provide sufficient light in low-light areas, and not disturb your roommates when you share a room with others 2 Classic Color: The package includes 2pcs USB reading lights in the colors black and silver. They are lightweight and portable. You can take them by your sides and use them anywhere. You don't need a charge or a battery. In addition, they can be a gift to share with your family or roommates Easy to use: you just need to connect this touch lamp to the USB ports of your laptop, computer, portable power source, to a USB jack, etc. Enjoy reading, computer tasks and camping