[Amber Light & Daylight] - This children's book light has 2 lighting modes for your choice, 4000K white light and 1550K amber light, it can block blue light at 99.94 %, good for eye protection. Change the modes by pressing the touch switch on the light head. [Dimmable Brightness] - The reading light is 25 lumens, the brightness can be adjusted from 100% to 50%. [Rechargeable by USB] - The clip light can be charged by any universal USB interface, easy and convenient. [Flexible light head] - The head Book lamp LED can be rotated 90 counterclockwise, 180 clockwise, 45 down, perfectly meet your direction needs lighting. [Cute Design] - Novelty design, multiple color choices, a great gift for kids, adults and bookworms.