USB powered LED light. Convenient as a reading light or spot light. The arm part is flexible and can be adjusted to various directions and angles. USB bus-powered operation, just plug it into a USB port such as a laptop computer. There is no switch, so you can plug it into the USB and it will light up immediately. Can be used in a variety of places when used with a USB charger or power bank. Flexible and allows you to freely adjust the angle and orientation you want.