Features:--Its the newest Updated Version,4-Grade Adjustable Brightness USB Rechargeable Flexible LED Book Light is a good reading companion for you,you can adjust the lamp to best brightness suits your activities--Lightweight and thin, compact, portable, and easy to charge--Also works as a Book Mark, you will never lose your page and easy to continue on with your reading journey--USB Rechargeable without extra cable, conveniently recharged by power bank, smartphone charger or computer, 30 minutes charge in full and works more than 12 hours---Environmental soft silicone arm can be bent to adjust angle, and equipped with a magnet in the back of the clip, you can attach the light to metal wall, iron bed, and other metal surfaceSpecifications:100% Brand new and high qualityType:USB LightMaterial:PCSize:20.5*4*0.9cm Package including1 x Reading Book Light With Detachable Clip