Energy and Eye Protection: By using USB power, the LED lamp saves energy and money compared to traditional incandescent lamps by about 75%. No strobe, no glare, no UV or frequent radiation, eye protection for children's desk lamps. 3 light modes and multi-level brightness: The LED eye protection reading light consists of 24 LED bulbs, the clip light offers cool light, warm light, mixed light and infinite brightness (10%-100%), perfect for studying, crafting or reading . Memory function: the lamp automatically remembers the last brightness and the last color pattern used and, when it is turned on again, it restores the last lighting pattern and the last brightness level used . Clip-on reading lamp: Reading lamp with scratch-resistant foam clips neatly onto desks, tables, computer tables, headboards, drawing boards, and more. The flexible 360 gooseneck tube allows you to adjust it to any angle you want. USB port: The USB adapter is compatible with all devices with a USB port , such as computers, USB wall chargers and mobile power supplies. 1.6 m long USB cable.