Reading Light, Amber and Warm White, Book Light Clip On Book, LED Reading Light with USB Rechargeable, 3 Brightness Adjustable 1pcs White light, warm light, warm white light3light colors which offer the brightness you want, effectively protects your eyes from being damaged by blue light when reading. USB RechargeableEasily 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. 2 Brightness Levels50%, 100% brightness available, LED reading light can be adjusted 2 brightness levels by the button; short press to switch the brightness, long press to turn the book light off; brightness memory function, remains the brightness level you selected before. Flexible Reading LightCan stand alone or clip on a book; LED lens can be swiveled 90counter-clockwise, 90clockwise, 45downward;315flexible holder allows you to focus light exactly where you want it. Lightweight & PortableSmall and lightweight, , ideal for a gift, clipping on a book when nighttime reading; can be completely folded flat and slim, portable for reading on airplane, train, or backseat of car when travelling. size10.5cm*4.6cm*1.3cm. colorpinkblacklake bluebluewhite. pack*1pcs.