HandAcc Clip Desk Lamp Dimmable LED USB Reading Light with Sturdy Gooseneck for Desk, Bed Headboard and Computers(4W, White) Humanized Design- Touch sensitive switch, 3-Level djustable brightness and intensity light which is soft and flicker-free, makes your eyes comfortable Multi Purpose- It can stand on desk with its own anti-skid base or can be cliped almost anywhere, such as bedframe, headboard, tables, computer desk, etc. The max width of the clip is 50mm(2.17 inch) USB Powered- With built-in rechargeble battery,can be connected to power adapter, power bank, computer or other USB devices to power the lamp 360 Degrees Rotated Tube-The sleek, modern and flexible metal gooseneck provides natural light right where you need Our HandACC clip desk lamp has 14 long-lasting LEDs (up to 50,000 hours) and is portable, convenient for those who need to move it around