Feature:1. Flexible rotation, no need to reposition the lamp frequently to get the best viewing effect.2. The brightness level can be adjusted by pressing the button. The soft light creates a private reading space for you without disturbing others.3. No need for additional cables or batteries, directly plug into a computer, mobile power supply, adapter, car charger or USB socket for charging.4. Small and light, easy to carry.5. It is very suitable for reading at night or hanging on a book when travelingSpecification:Shade material: plasticColor: as shownProduct size: 10.5*4.7*1CMPacking size: 11.5*5.8*2.1CMNet weight: 40gGross weight: 50gSwitch mode: button typePower supply mode: USB power supplyColor rendering index: 70-79Battery capacity: 200mAhPacking list:Book clip light*1