Stepless Dimming and 3 Color Modes: Adjust the brightness from 100% to 20% by long press button to suit different reading environment. Simple switch 3 color temperature lighting modes by clicking the buttonmixed color (9 LEDs on), cool white (5 cool white LEDs on), warm (4 warm LEDs on). Eye-Protecting Reading Light: No flicker, no shadow, no dizzy light. Provide a natural and soft light which wont straine your eyes even after long hours of use. Enjoy your reading time without disturbing your partner or roommate. 1000mAh Rechargable Battery: Built-in 1000mAh battery only takes about 2.5 hours to get a full charge and support up to 60 hours lighting at lowest brightness. 4 LED indicator lights will always show the remaining power of the light. [USB universal charging cable included] 360 Flexible Neck & Sturdy Clip: 360 bendable goose neck can be rotated to any angle you want. Anti-skid clip design makes it firmly clamp on an e-reader, books, shelf, etc. Portable and Widely Use: Lightweight and sturdy book light can stand independently with the anti-slip pad on the bottom. Free your hands to enjoy bedtime reading, working, traveling, camping etc. Product Description Adjusting the brightness easily according to your needs, ideal for reading and working at night without disturbing others. 360 Adjustable Goose Neck 360 flexible neck that can be adjusted and bent without any restrictions. Enjoy the best reading angle. High capacity battery Built-in high-capacity battery for your long hours of use. USB Rechargeable Book Light With included usb cable, you can easily power the reading light from your phone charger, laptop, or power bank. Battery Indicators With battery indicators on the clamp, you can see the remaining power and the charging status in real ti