MOST COMFORTABLE LIGHTING SOURCES: 3 Kinds of Color Temperature, warm light (3000K), warm–white light (4500K) and white light (6500K), each CT has 2 levels of brightness, so that it create 6 illumination modes, meet all your requirements. Clip on bedside or headboard and reading in bed, comfortable light brings you comfortable life!.BEST LIGHTING QUALITY AND PROFESSIONAL EYE CARE: Led lights always flicker at non-full load mode, that's why some other desk lights flicker at low brightness. Our flexible gooseneck lamp functions are well controlled, uniform luminance, no flicker, no dazzle, protect your eyes, ideal for reading, drawing, work, study..LONG USB CABLE: The table lamp comes with 4.8 feet USB cord, no more worry about the distance between the table lamp and socket..CLIP AND STAND DESIGN: It is easy to clip on your work bench, desks, headboards or other object. Thanks to the padded clamp, it won't scratch the object it attaches. If you twist it into a suitable shape, it can also stand on your desk..