1W Led Book Light USB Rechargeable Portable 3 Brightness Adjustable Clip-on Reading Light Gift for Book Lovers White

• --Built-in USB for easy charging, plug directly into your laptop, power bank, adapter, car charger, or USB socket to charge, no extra cables required.
• --160mAh Lithium battery, about 6-8 hours of use after 0.25 hour charge (under brightness setting).
• --Three color temperatures + 3 brightness levels, 30%, 60%, 100% brightness are available
• --Brightness memory function, it will keep your previously selected brightness level
• --Product size: 10.5cmx4.6cmx1.3cm

Features:
1. Three color temperatures + 3 brightness levels, 30%, 60%, 100% brightness are available, allowing you to choose the perfect brightness, keep your eyes comfortable, and enjoy reading time in bed without disturbing your roommates. Short press to change the brightness, long press to turn off the book light. 
2. Mini size design, compact and lightweight, ideal for clipping to a book when reading at night; fully folds flat and slim for easy reading in the back seat of a plane, train or car when traveling
3. Fully flexible design, the LED lens can be rotated 90° horizontally left and right, and 45° downward; the 315° flexible bracket can be bent at any angle to obtain the best viewing effect, no need to constantly change lights
4. This book light can also be used as a bookmark or mini flashlight when it is off. The perfect LED reading light for pocket books, magazines, bedtime stories and more. Great gift for kids, friends and family

Description:
Name: book light

Material: ABS
Shell Color: Black/White/Blue/Pink
Three light modes: white light, warm light, white light + warm light
Brightness Levels: Low 30%/Mid 60%/High 100% (Three Brightness Levels for Each Lighting Mode)
Battery capacity: lithium battery 160mAh (4020319l is the battery model)
Color temperature: white light 5500-6000k, warm light 2700-3500k
Lumen: 22-24LM
Product size: 10.5cmx4.6cmx1.3cm
Colorful box size: 10.8cmx4.8cmx1.5cm
Gross weight: about 60 grams
Battery life: 6-8 hours in monochromatic light mode, about 1 hour in bichromatic light mode;
Light source power: 1W

Packing list:
1 x book light
Note:
Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.