[UPGRADE] 3 Colors * 3 Brightness This desk lamp has 3 light colors and each color has 3 levels of brightness. Thanks to touch control, the 9 settings are suitable for various scenarios and people sensitive to light. Equipped with 28 upgraded LEDs to provide more uniform luminance than others. Protect Your Eyes Scientifically Ring light design allows light to simulate diffuse reflection of natural light, reduced multiple shadows, clear vision, no flash, no glare. the reading light will not tire the eyes even if it is in the light for a long time. Ideal for working or writing. Heavy-Duty Clamp and Flexible Neck The gooseneck is flexible to be adjusted to the right position where you want it. It is very suitable for fixing on the bedside table, desk, headboard, drawing board and worktable. The rubber pad on the clip protects the pages from damage and provides a secure and stable clamping. The clip can be opened from 3 to 8 cm. Rechargeable by USB Wireless led lamp with built-in 1800mAh battery with USB port and USB cable, can be used while charging. You can connect it to laptop, power bank and adapter (not included) to power it. The switch on the side has a battery protection function to prevent charging short circuits.