3 COLOR MODES & 10 BRIGHTNESS LEVESDesk lamp with clamp offers 3 light modes(White light 6000K, Daylight 4500K, Warm light 3000K), and 10 custom levels of brightness for study, craftwork, or relaxing, reading, working, thinking, relaxing, drawing, knitting, sewing, hobby, handicrafts, etcFLEXIBLE & ADJUSTABLE- Freely adjustable angles, and multiple positions, you can adjust the light direction according to your personal need.Eye PROTECTION LIGHT- Protect people's eyes who work and reading a long time from hurt, nonflickering, no glare, no ultraviolet ray, no frequency radiation. Ideal for architects, designers, artists, secretaries, typists, editors, accountants, students, teenagers, children.ENERGY SAVING & USB Powered- Clip desk light consumes 75% less power than traditional incandescent lights, low required voltage and current, low heat, saving money and lower your power bills with cost-effective. You can connect a USB cable with power adapt, adapter computer to power the light.SAVEING PLACE - Compact clamp and the slim lamp with hidden cabling let you have a completely free desk surface.Attached clamp mounts easily to music stands, office tables, computer desks, headboards, drawing board, makeup table, etc.