Three colors, dimmable The reading light can be adjusted in three colors, white, warm white and natural white, single press the button to change the color, long press the button and hold it for more than 2 seconds to adjust the light brightness, different light brightness can adapt to your needs for light brightness when reading in different scenes.Fast charging time, long use time The book light uses Type-c interface power cable to power the built-in 400mAh battery, which only takes about 1 hour to fully charge, supporting 8-20 hours of lighting at the lowest brightness, fully satisfying your lighting neBook Light Clip You can use the clip on the back of the book light to clip the book light on your books and enjoy reading without worrying about the light affecting your roommate or others, because the light body has a silicone bendable rod, so you can bend it to any position or angle you want to illuminate. It can be adjusted 360, no dead angle.Soft light, not blinding The brightness of the reading light is 100 lumens, the book light provides natural soft light when working, no flicker, no blinding.