USB Rechargeable: No additional cables or batteries are needed, directly plug them into a computer, power bank, adapter, car charger, or USB outlet for recharging. About 1.5 hours for fully charging and will last about 8 hours (at the brightest setting)
2 Brightness Levels: 3000K Warm White, LED light can be adjusted 2 brightness levels (100%, 50%) by the button; Eye-care soft glow creates a private reading space for you without disturbing others
Lightweight & Portable: 1.3 ounce, small and lightweight, ideal for clipping on a book when nighttime reading; can be completely folded flat and slim, portable for reading on an airplane, train, or backseat of the car when traveling.
Multi Purpose: This book 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.