What Can You Plug Into A USB Port?

Many types of consumer electronics support USB interfaces. These types of equipment are most commonly used for computer networking:

USB network adapters
USB broadband and cellular modems for Internet access
USB printers to be shared on a home network
For computer-to-computer file transfers without a network, USB drives are also sometimes used to copy files between devices.

Connect two devices directly with one USB cable by plugging each end into a USB port. (Some devices feature more than one USB port, but do not plug both ends of a cable into the same device, as this can cause electrical damage!)

​You may plug cables into a USB port at any time regardless of whether the devices involved are powered on or off. Follow instructions provided with your equipment before unplugging USB cables. In some cases, unplugging a USB cable from a running device can cause

Multiple USB devices can also be connected to each other using a USB hub. A USB hub plugs into one USB port and contains additional ports for other devices to connect subsequently. If using a USB hub, plug a separate cable into each device and connect them to the hub individually.