DEWENWILS Book Reading Light, Amber Clip On LED with 2 Adjustable Brightness for Eye Protection, Rechargeable USB, Christmas Gifts for Bookworms, Kids(Black) 1800K Black

【Eye Care Amber Glow】1800K color temperature, the upgrade amber book light blocks 99.95% blue light, will not stimulate your photoreceptors or disrupt circadian rhythm while using it in bedroom; effectively protects your eyes from being damaged by blue light when reading.
【USB Rechargeable】Easily Charged with built-in USB, directly plug it into your laptop, power bank, adapter, car charger, or USB outlet for recharging, no additional cables needed; 200mA lithium battery, 1.5 hours charging lasts about 8 hours(at brightness setting); no more wasting money on batteries.
【3 Brightness Levels】30%, 60%, 100% brightness available, chooses the perfect brightness to keep your eyes comfortable, enjoy reading in bed without disturbing your roommate; short press to switch the brightness,long press to turn the book light off;brightness memory function, it will remain the brightness level you selected before.
【Flexible Reading Light】Can stand alone or clip on a book; LED lens can be swiveled 90°counter-clockwise, 90°clockwise, 45°downward; 315°flexible holder allows you to focus light exactly where you want it.
【Compact & Lightweight】Mini size design, 1.37 ounce, small and lightweight, ideal for a gift, clipping on book light for reading in bed; can be completely folded flat and slim, double as a bookmark, portable for reading on airplane, train, or backseat of car when travelling.