[Flexible Book Light] The LED lens can be swiveled 90°counter-clockwise and clockwise, and 45°downward; 315°flexible holder bends to any angle for your best viewing. No need constantly repositioning the light[USB Rechargeable] No additional cables or batteries needed, directly plug it 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 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] 1.38 ounce, small and lightweight, ideal for 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[Product Guarantee] CE, RoHS and UKCA cerification. 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. Great gift for your kids, friends and family Product Description In a dark environment, the light of this brightness is softer and not harsh. Used as supplemental lighting in poor light conditions, bright enough to read without hurting eyes. Humanized design allows you to adjust the brightness as needed, one click to solve all the problems. 1 Warm Light 2 Bright Enough 3 2 Levels Brightness Rechargeable via the equipped USB port, no extra cable and battery needed, protect the environment. With adjustable angle of rotating head and clamp, place your book light for the best viewing. Tough clip with strong arm can grasp the book of varying thicknesses tightly. Transparent material of the clip on one side won't disturb your reading. Double as a bookmark. 1 USB Chargable 2 Flexible 3 Sturdy Metal Clip 4 Transparent Holder More Choices for You Color Temperature 3000K 1800K-4000K-6000K 1800K-4000K-6000K 3000K+6000K 6500K 1800K+3000K 1800K Brightness Dimmable 50%+100% 10%-100% 10%-100% 50%+100% 50%+100% 50%+100% 30%-60%-100% Charging Time 1.5 Hours 2 Hours 2 Hours 1.5 Hours 1.5 Hours 1.5 Hours 1.5 Hours Length 8 Hours 8-80 Hours 8-80 Hours 8 Hours 8 Hours 8 Hours 8 Hours USB Charge Flexible 90° 360° 360° 90° 90° 90° 90°