Description: Flexible : light with flexible holder bends to any angle for your best viewing. 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 25 minutes for fully charging and will last about 40 minutes (at brightest setting) 2 Brightness Levels: Warm white LED light can be adjusted 2 brightness levels (100%, 50%) by the button; creates a private reading space for you without disturbing others. Lightweight & Portable: lightweight, great 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. Multi Purpose: This can be also used as a bookmark, or mini flashlight when power blackout. Perfect LED reading light for paperback books, magazines, bedtime stories etc. Specification: Material: Plastic Battery: 160mAh Lumens: 22-24LM Color Temperature: warm light 2700-3500K, white light 5500-6000K Working Time: low 6h, high 40 mins Size Chart: Size: 10.5x4.6x1.3cm/4.13x1.81x0.51inch Package Includes: 1 Piece Reading Light(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!