Special ring shape design, multiple adjustable light mode, adjustable brightness, easy to control. Lightweight and portable, it can be easily adjust the angle by adjusting 360 degree rotating lazy bracket clip. You will be able to make videos at night or take great selfie or read in dark areas. USB Powered, no battery needed, works well with multiple devices - PC, battery bank. It is great to use at home/ office, also it can be a nice gift to friends.