[4 kinds of adjustable brightness] This reading light has 4 kinds of brightness, please choose the most suitable gear according to your needs. Thanks to its 4 professionally installed high-quality LEDs, you get an even distribution of light. On reading pages; at the same time, there will be no flickering or disturbing light. In addition, the small reading light can remember your previous brightness settings by default. [3 color modes and protect eyesight] The bed reading light has 3 color temperatures: amber (1800K), normal reading mode (3400K) and focus (6000K). Amber mode filters out 99.9% of blue light to prevent eyestrain; general reading mode for a lightweight reading bed creates a relaxing and comfortable reading environment for reading novels or poems; focus mode clearly highlights areas so you can focus on your Task. [Flexible Design and Portability] The clip of this reading light can be opened 360. The head can be rotated 90, 90, 45 left and right; allowing you to freely adjust the angle for sufficient lighting. Plus, it weighs about 1.76 ounces (50 grams), which is lighter than an egg. Its lightweight and compact design makes it easy to carry or clip on a pocket book. Small and ideal for reading in bed at night. Included in the package: 2*reading lights 2*bookmarks 1*user manual.Note: Do not turn the lamp head violently to the left or right, or you may break the power cord inside the book lamp.