3 Brightness Modes Color temperature can be adjusted and will not tire your eyes. 3 different color modes, this book light can provide you warm light (5 warm LED over 3000K). a cold light (5 white LEDs on 6000K) and a natural light (every 10 LEDs on 4500K) to meet your needs. Don't worry about disturbing others^ Eye Protection Upgraded 10 LED Reading Light provides more comfortable and wider lighting coverage.No shadow, no dizziness, no flickering light, the eye care light is suitable for different environment of reading^ Lightweight & Portable The foldable reading light reading light weighs only 60 grams, which is light enough for you to read in bed at night or carry it with you. This book light is an ideal companion for you in case of emergency, travel, night^ USB Rechargeable A 60cm Micro USB cable is included for recharging. Built-in 650mAh battery, only takes about 1.5 hours to get a full charge, which can last for 15 hours of lighting at its lowest brightness.You can charge the clamp reading light through the computer, adapter or the car charger anytime and anywhere^ 360 Adjustable Light Angle The neck of the reading light is flexible to adjust it freely according to your own needs and provide you with 360 omnidirectional illumination. The adjustable clamp allows you to position and focus the light exactly where you want it. Perfect for camping, reading, studying, lectern, computer lighting etc.