Lemonbest Rechargeable Adjustable Eye Care LED Desk Lamp Dimmable Reading Study Lamp, 3 Brightness and Color Modes Control, White Stepless Dimmer Lamp and Eye Protection: Click on the switch and switch three types of lighting mode, the lamp has stepless dimmer to adjust the brightness of the light, give you the most accurate and appropriate brightness. You can choose the most suitable and comfortable light, protect your eyes, and enjoy reading and working without fatigue. 3 Color modes and 3 brightness modes, energy saving and comfortable use: Charging for 4 hours and it can last up to 10 hours in the lowest light. Adopting 36 warm and white LED lamp beads, the pure aluminum lamp has long life and good heat dissipation. USB Charging: This table lamp has a 1200mA battery inside and supports USB charging, the indicator light in red when charging and goes out when charging finished. (DC 5V power adapter is not included. You can use your cellphone charger or any USB charger.) 180 Degree Rotation Light: Free rotation, multi-directional lighting. Not only the lamppost can rotate about 180 degrees, but the lamp can also be flipped up and down 180 degrees. The fine rotating shaft allows the desk lamp to rotate according to your needs, adjusting to the Angle of your comfortable work and study. Fashion and Simple Desk Lamp, widely used: This led lamp has classic, elegant appearance, exquisite manufacturing process, it is suitable for any occasion and style of desktop, for home or office lighting environment. 3 colors and brightness modes can used for reading, studying, watching, playing games and low brightness for sleeping as nightlight.