The desk light has 3 brightness levels & 5 colors of light. The desk light can be lightened/dimmed to meet different needs by sensitive touch control You can adjust it to be brighter when you use the LED desk lamp for working, or studying at your home office, and you can dim the LED desk lamp down in the bedroom The 500-lumen desk light with 44 LED beads & longer matt luminous surface, provides brighter, naturally soft, no flicker, no glare, no blue light,no shadow light This desk light will not cause eye fatigue even if used for a long time. This desk lamp always protects your eyes LED desk lamp offers you a space-saving desk lamp for your home office or study desk. This desk lamp has a 90 adjustable lamp holder and 180 horizontal & 180 vertical angle adjustable lamp head to adjust the light area freely and obtain the best lighting effect The LED desk lamp is super handy to operate by touch control. Easily touch the light switch to choose the brightness & light color you want. The desk light has a 1 minute timer LED desk lamps and desk lights have energy-saving beads & long service life The USB-powered LED desk lamp comes with a USB cable. You can power the LED desk lamp, LED table lamp, reading lamp, desk lamp office, and LED desk light with a USB port, easy to plug into any available USB port to power the lamp, such as a laptop, PC, power bank, AC adapter (not included)