: (warm light, natural light and cold light). Each color has 5 brightness levels from 20% bright to 100% bright. Meets your different demands. 【Strong Clamp and Flexible Gooseneck】: The clamp attaches with sponge pads that protect your furniture from scratches. The LED desk lamp is adjustable in free angle. You can twist and bend the arm 360° to your desired angles. 【Upgraded Switch and Long USB Cable】: Humanized rocker switch, easy to operate. 160cm/63inch long USB cable makes it easy to reach your desk, bedside, headboard and more places. 【Memory Function and Auto Power Off】: The clip on automatically remembers the brightness and color modes of the last use. The light can turn off automatically after 1 minute by just pressing the button. 【Eye Care】: 3000-6000K color temperature, soft lights reduce eye strain. Don't worry about flickering, glare, ultraviolet rays or frequent radiation, but protect your eyes. Ideal to have one for your children. Rated power: 12w Color: Black Rated voltage: 5V Color temperature: warm light/white light/neutral light Dimming method: key switch dimming and color adjustment Amount of delivery: 1 piece luckymeet "Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be some certain color difference, the actual object received shall prevail.