EYE PROTECTION READING LIGHT: The LED clip light provides comfortable light without ghosting and flickering, protecting your eyes from bright damage and harmful radiation.Ideal for learning, crafting, reading or drawing. 3 light colors and 3 brightness levels: The attachable desk lamp has 3 adjustable brightness levels to meet our different needs.For example, the lower setting is an ideal night light that won't disturb your bed partner.While the high setting is suitable for reading or studying.High capacity and USB charging port --- Built-in 1800mAh lithium battery, longer battery life, no delay when working and studying. The clip light works for 3-5 hours at 100% brightness.10-12 hours at 60% brightness;25-28 hours at 30% brightness.USB rechargeable desk lamp, plug and play, more convenient. Stable Clamp and Flexible Neck --- The sturdy clamp attaches perfectly to beds, music stands, office tables, computer tables, shelves, headboards, drawing boards and more.The 360° flexible gooseneck allows adjustment to any angle.Ideal for children, crafts, keyboard lighting and evening reading. Memory function: Press and hold the power button for about 3 seconds to turn off the book light.It saves the last brightness and lighting color of the lamp.Note: 1. Due to differences between different monitors, the picture may not reflect the actual color of the item.2. Due to manual measurement, there may be an error of 1-2mm