Joy Jerry Portable Clamp on Touch LED Desk Lamp LED Reading Lamp - Computer Keyboard Partner - Brightness Adjusted Minimalist Style Usb-powered Touch switches, 3-Level light intensity, humanized design, make your eyes in a comfortable environment. Simple and stylish, easy to operate, thorough application of modern technolog and new design Cycle charge LED lighting,Touch sensor switch,3-Level adjustable brightness,Free twisted tube Energy saving LED light source no radiation no flicker,eye partner, Lamp can be rotated 360 degrees or up and down adjustment, user-friendly designLow consumption and long lifespan, the battery built-in can be recharged Unique curved guide plate, light and softThe thinnest LED desk lamp on the market, portable design that is equally at home indoors and out.