ONEFIRE Rechargable LED Desk Clip Lamp USB Powered Dimmable Light with Flexible Neck Touch Sensitive Controller Eye-Care Table Light for Study Dorm Reading Nursing Touch Sensitive Three levels: Single touch gives the lowest brightness, double touches medium and three touches the brightest 360 degree rotation Gooseneck design allows you to adjust whatever angle you can twist around Clip open up to 2 inches can easily attahed to computer,bookself,cupboard or anywhere at your most convienence USB powered portable which can be used indoor or out door activities like camping ,travelling ,fishing etc,Comes with a 47 inch USB charging cord,it can be removed after fully charged,wireless working no messy for your desk Eye comfortable lighting environment no radiation no flicker