How-To Geek on MSN
5 surprising gadgets you can connect to your PC's empty USB ports
Your USB ports aren't just for keyboards and USB drives.
Some printing devices feature a universal serial bus port to which you connect a Bluetooth dongle, or adapter. Attaching the dongle to the printer enables the device to communicate over Bluetooth ...
A USB-based device that transmits and receives Bluetooth wireless signals. It plugs into the USB port to support Bluetooth mice, keyboards and other Bluetooth devices. Also called a "Bluetooth dongle.
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