【3 Color Modes & Stepless Brightness】: Press the button to adjust the 3 color modes, white light & natural light & warm light. The brightest white light and natural light are suitable for study and work. Warm light is suitable as a night light. Keep pressing the button to adjust the brightness of each mode. 【Flexible Gooseneck Design】: 360 degree adjustable flexible gooseneck tube to adjust its height and angle, easily folds into a compact position. It is small and lightweight, foldable and portable, which means you can easily carry it wherever you go. Suitable for reading in college dorms, bedrooms and offices. 【Eye Protection Lamps】: Soft LED brightness provides high-quality LED energy to save lamp beads, eye protection, prevent radiation and long service life. No frequent flash, no dizzy light, no shadow, friendly to your eyes when reading, 【Standard USB Rechargeable】: Built-in 1200mAh rechargeable lithium battery, charge via USB to laptop/computer or via DC 5V adapter. The lamp