With 60 downward clockwise rotation, 90 counterclockwise rotation and a 180 flexible stand, this USB book light is perfect for optimal viewing. Its flexible stand can be bent to any angle, making it easy to position and adjust the light direction according to your needs.Your reading trainings just got easier with our USB Book Light. Charge it without worries, no additional cables or batteries required. Just plug it into your computer, power bank, adapter, car charger, or any USB outlet and enjoy up to 8 hours of use. It's even a desk lamp too.Our USB book light with eye-protecting soft light of 1600K, 4000K, and 6000K, provides 3 color temperature options and 3 brightness levels for comfort. The clip-on design makes it versatile in any setting for a seamless reading experience.