Specifications: Size: 11.5*5.8*2.1CM Item Type: Clip-on Book Light Material: Plastic Color: Blue/White Battery: Built-in lithium rechargeable battery Feature: The LED lens can be swiveled 90counter-clockwise and clockwise, and 45downward; 350flexible holder bends to any angle for your best viewing. No need constantly repositioning the light. USB Rechargeable: 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. 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. 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. This book light can be also used as a bookmark, or mini flashlight when power blackout. Package Included:1pc of Clip-on Book Light Note: Other accessories demo in the picture is not included. Actual colors may be a little different due to different monitors. Please allow 1-5mm deviation due to manual measurement.