【USB Rechargeable】Easy charging with built-in USB, plug directly into your laptop, power bank, car charger, or USB outlet for charging, no additional cables needed. 1.5 hours charging time for approx. 8 hours of use (with brightness adjustment). No more wasting money on batteries.【Compact & Lightweight】Mini size design, 37 grams, small and lightweight, perfect for clipping onto your book while reading at night; it can be folded completely flat and slim, portable for reading on the plane, train, or in the back seat of a car when traveling.【Flexible Lighting Angle】Completely flexible design, the LED lens can be rotated 90° left and right horizontally and tilted down by 45°; The 350° flexible holder can be bent to any angle for optimal viewing without having to constantly move the light.【Adjustable Lighting Modes】Soft white light, 50%, 100% brightness to choose from, allowing you to select the perfect brightness when reading; Enjoy your time reading in bed without disturbing your roommate. It will retain the brightness level you previously selected.【Gift for Kids】Compact size and multi-functions, this book light is a great gift for avid reader kids who love to read anywhere. It can also be used as a bookmark or a mini light in case of a power outage.