Flexible Book LightLight lens rotates 90 counterclockwise, 180 clockwise, 45 down, 350 flexible stand can be bent to any angle for best viewing. Perfect for your lighting orientation needs. Upgraded DesignThe button has a new design, making less noise to press and will not disturb your sleeping partner or children. 3-level brightness25 lumens, 3000K warm white light, 4300K natural white light, 8000K cool white light. Turn on/off the book light and adjust the brightness from 30% to 100%, the eye protection soft light creates a private reading space for you, without disturbing others. USB Charging Reading LightNo extra cables or batteries, computer, plug directly into power bank, computer, phone adapter, car charger or USB socket to charge, easy and convenient. A full charge takes 1.5 hours and provides 8 hours of lighting. Lightweight and Portable 1.3 oz, small and light, can be fully folded flat and slim, portable and put in your pocket, read on the back seat of plane, train or car when traveling, and also can be used as a bookmark.