This book light clip on is upgraded to USB-C charging port, which is easier to plug in since USB-C is reversible. And it's safer and faster as USB-C charging cable carries more power. It comes with an adapter so you don't need to buy it separately. The reading light is designed with a horizontal head for wider and more even illumination. No flicker, no shadow, no glare. Soft light won't sting your eyes even after prolonged use. A great book light for reading at night in bed without disturbing your partner or roommate. This book light for reading has 3 color temperature modes - Warm Light (2700K) / Natural Light (4500K) / White Light (6000K). And each mode has 10 levels of brightness settings. With memory function, it would restore your last color temperature and brightness when turned on. 360 adjustable and bendable gooseneck extended to length, you can adjust the angle of the light and the distance at will. Wider compatible with books, ebook, iPad, kindle, larger magazines, illustrated books, notebooks, etc. The self-adjusting non-slip clip design allows for a perfect fit without scratching the surface.(Removing the plastic film between the clip before use will make the clips more stable!) This rechargeable book light is made of lightweight material, bend it and put it in your pocket wherever you go. 80H long-lasting work by 2 hours of full charging, you can easily enjoy reading before bedtime, working, traveling, camping and more.