ADJUSTABLE 3 LIGHTING MODES & 10 BRIGHTNESS: This clip on light has 3 color modes, Warm Light (Color Temprerature 3500K), Warm White Light (Color Temperature 5000K), Cold Light (Color Temperature 6500K) . Each lighting mode has 10 brightness dimming levels, which can meet different circumstances in your daily life. And this clip on desk light will automatically remember the previous setting when turning on again to catch your lighting preference. 360 FLEXIBLE GOOSENECK DESIGN & NON-SLIP CLIP: 360 adjustable gooseneck allows you to easily direct the clip-on light to any angle for the best viewing. Metal stable and durable clamp can clip on something, also stand alone on desk. Moreover, the clip comes with the foam pad, which is designed to protect your furniture from scratch. USB POWERED & LIGHT CONTROL: This clip on light comes with a convenient USB charging cord (1.5m long), portable and USB plug design, is easily to get power from UAB adaper, laptop, compter, power bank and USB socket. The light control also comes with the power cord, which has four buttons on, on/off, brightness up, brightness down and light mode, easily and convenient for use. EYE CARING & ECO FRIENDLY: This Clamp Lamp is Made of premium LED lighting, high quality, no flicker, no dazzle, help to protect eye sight and reduce eye strain, ideal for reading, drawing, work, study. Moreover, this LED Lamp consumes 80% less power than traditional incandescent lights so you can reduce your carbon footprint while also reducing your electricity bill.