The AllShare Cast Dongle is a device that allows you to share files and videos with other devices. It is not necessary to use it, but it can be helpful if you want to share files and videos with others. The AllShare Cast Dongle is a small, black device that plugs into your computer. It has a small blue light on it that you need to turn on in order to use it. The AllShare Cast Dongle can be used with any device that has an HDMI port, such as a TV or monitor. You can also use the AllShare Cast Dongle with Apple products, such as the iPhone and iPad.
