MEMORY FUNCTION & BRIGHT ENOUGH: The clip on desk light be on your previous setting when turning on again to catch your lighting preference. Compared with 24 LED, 48 LED is brighter, this reduce your fatigue from working or reading and it can also be used as a video conference light, easily to meet your perfect lighting needs , to make your skin more perfect and more suitable your environment. 3 COLOR MODES 10 BRIGHTNESS LEVELS: Reading lights featured with 3 color temperature: amber / warm light (3000K), warm-white light (4500K) and white light (6500K). Each lighting mode has 10 brightness dimming levels, available for your different needs. Clip on bedside or headboard and reading in bed, comfortable light brings you comfortable life! USB POWERED (ADAPTER NOT INCLUDE): Easy to plug the USB cable into any available USB port (Power Bank/USB Socket/Laptop/Desktop/USB Adapter) to power the LED clamp lamp. FLEXIBLE GOOSENECK: The sturdy metal clip opens up to 2.36 inches, 360° adjustable gooseneck & ring light design, easily to direct the light wherever you want for best viewing. WIDE RANGE OF USE: Clip on light is very portable for to fixing on desk, headboard, dressing table, workstation and more. The table lamp suitable for reading on the desk, reading on the bed, camping lighting, children learning, laptop lighting, work lighting, makeup lighting and video lighting, leisure and entertainment.