Good to know- This clip-on desk lamp is USB rechargeable, so you can attach it to your desk, bookshelf, or bed with no cables in the way- It uses EyeComfort technology, so there's no flickering or strobing - perfect for long study sessions or working from home- It's dimmable, so you can adjust the light level to suit what you're doing- The built-in LED bulb has a lifetime of up to 15,000 hours, so don't worry about having to replace it