[3 lighting modes and 10 levels of brightness] The LED clamp lamp has 3 color temperatures: warm white light (3000K), natural light (4500K) and cool white light (6500K). Each lighting mode has 10 brightness dimming levels. A total of 30 lighting modes to meet all your needs. Clamp it on the headboard or headboard, lying on the bed and reading, the comfortable light will bring you a comfortable life!^ [360 flexible gooseneck and long USB cable] The durable flexible gooseneck allows you to easily adjust the clamp light and direct the light wherever you want. Easily plug the USB cable into any available USB port (laptop/desktop/power bank) to power the light.^ [Memory function and 1-minute automatic shutdown timer and timing function] Once the button is turned on, the lamp will restore the brightness and color temperature settings you used last time. Press and hold the power button for 3 seconds, the blue light will flash, and it will automatically go out after 1 minute. Double-click the on/off button, the red indicator light will be on, and it will automatically go out after half an hour.^ [Best lighting quality and professional eye protection] The eye-protecting children's reading lamp is made of high-quality 38 LED chips, no ghosting, no flicker, and the book lamp will not make your eyes tired for a long time under the light. Designed to help people who read and work hours a day protect their eyesight and reduce eye fatigue. A great gift for children and bookworms.^ [USB power supply and energy LED desk lamp] USB power supply is easy to install any available USB port to power the desk lamp. As an environmentally friendly LED lamp, it consumes 80% less electricity than traditional incandescent lamps, so you can reduce your carbon footprint while reducing electricity bills.