[Amber Light and Daylight] - This book lamp for kids has 2 lighting modes for your choice, 4000K white light and 1550K amber light, it can block 99.94% blue light, good for eye protection. Change the modes by pressing the touch button on the light head. \n [Brightness Dimmable] -- The reading light is 25 Lumen, the brightness can be adjusted from 100% to 50%. You can choose the perfect brightness to keep your eyes comfortable, enjoy reading in bed without disturbing your roommate. \n [USB Rechargeable] - The LED reading light can be charged with any universal USB interface that preferably, simple and convenient. Fully charged takes 2-3 hours and provides 7 hours of lighting time. \n [Flexible Lighting Head] -- The led head of the book light can be rotated 90 counterclockwise, 180 clockwise, 45 downward, to perfectly meet your needs of lighting direction. \n [Super light and portable] - Small and light, easy to attach to the book, can be folded completely flat and slim, portable for reading on the plane, train or in the car when traveling. \n p>