[3 colors, 9 Brightness Levels]book reading light have White, warm white, warm 3 colors, and 30%, 60%, 100% brightness available, allows you to choose the perfect brightness to keep your eyes comfortable, enjoy your time reading in bed without disturbing your roommate. Short press to switch the colors, long press to switch the brightness. Brightness memory function, it will remain the brightness level you selected before. [USB Rechargeable]book reading light have no additional cables or batteries needed, easily Charged with built-in USB, directly plug it into your computer, power bank, adapter, car charger, or USB outlet for recharging. 1.5 hours to charge and it will lasts up to 8 hours(at brightest setting). [Flexible Lighting Angle]book reading light completely come with flexible design, the LED lens can be swivelled 90°counter-clockwise and clockwise, and 45°downward; 315° flexible holder bends to any angle for your best viewing. No need constantly repositioning the light. [Compact & Lightweight]book reading light come with a small size design, small and lightweight, Perfect for clipping on a book when nighttime reading, and can be completely folded flat and slim, portable for reading on airplane, train, or backseat of car when travelling, knitting, camping and repairing. [Multi Purpose]book reading light can be also used as a bookmark, or mini flashlight when power blackout. Perfect LED reading light for paperback books, magazines, bedtime stories etc. Great gift for your kids, friends and family. size:10.5x4.6x1.3CM Material:plastic colour:White Package Contents: 2 * USB Rechargeable Book Light