Energy Saving & Eye Protection: With USB power, LED light uses about 75% less energy than traditional incandescent, saving money. No flicker, no glare, no ultraviolet rays or frequent radiation, children's desk lamp designed to protect eyes. 3 Lighting Modes & Multi-Level Brightness: The LED eye care reading lamp composed of 48 LED bulbs, the pinch lamp offers cool light, warm light, mixed light and infinite brightness (10% -100%), ideal for study, craft work, or reading. Memory function: the lamp automatically remembers the brightness and colour mode of the last use.When switched back on, it will restore the lighting mode and brightness level of the last use. Clip-on Reading Lamp: Reading lamp with scratch-resistant foam, clips perfectly onto desks, tables, computer desks, headboards, drawing board, etc. Flexible 360 gooseneck lets you adjust it to any angle you like. USB Port: the USB adapter is compatible with all devices with a USB port, such as computers, USB wall chargers and power banks. The USB cable is 1.6 metres long.