Eye-protecting reading light: The reading light does not flicker, cast shadows, glare or emit blue light, creating a soft natural light that allows you to read comfortably during hours. It can be placed flat on a table or hung on a book. 9 LEDs and 3 brightness levels: The USB rechargeable clip-on desk lamp has 3 color temperatures and 3 brightness levels (mixed/warm/cool white), short press to freely adjust the brightness (20%-100%), easily adapt to different bright environments and provides a comfortable reading experience. 360 Flexible Gooseneck: The flexible gooseneck of this clip-on reading light lets you lean 360 into any position you want, with soft light that won't disturb your sleeping partner at all. With a non-slip pad on the bottom of the lamp base, this bedside reading light is wide enough to clip onto books, laptops, beds and more. Long-lasting USB charging : The e-reader clip has a built-in 800mAh lithium battery that provides up to 12 hours of illumination. 4 LED lights indicate the remaining charge level of the eReader. When only one green LED is on, it means it needs to be charged in time. The included micro USB charging cable can be connected to a computer, PC, power bank, etc. Lightweight and Versatile: This rechargeable bedside reading light is small and lightweight, it sticks to a book without damaging the pages, and its foldable design makes it easy to carry anywhere. This usb led light is not only suitable for books, but also for desks, pianos, laptops, cabinets and more. Ideal for bedtime reading, working, sewing, traveling and camping.