✅Eye-caring USB Light:Energy efficient LED beads,soft light protect your vision from injury | ✅Portable LED Reading Lamps:Portable USB light,handy in different occasions such as bedroom night light,outdoor camping,book reading,working and writing in night with your laptop | ✅Power Source Supply:Powered by various USB devices (5V, 0.5-2A),such as USB adapter,power bank,laptop,computer,USB ports | ✅Environmental Protection:Item is made of environmental friendly silicone and metal,no harmful objects and no battery contained | ✅Flexible USB Lamp:Flexible neck,the lampshade is bendable and can be 360 degrees twisted and tilted