A Bluetooth adapter, also known as a Bluetooth dongle, is a small and inexpensive gadget that enables wireless technology on your home or professional workstations to expand their potentialities. It is a USB-based device that transmits and receives Bluetooth wireless signals. The adapter plugs into the USB port of a computer, laptop, or tablet and enables the user to connect Bluetooth-enabled peripherals such as mice, keyboards, headsets, and mobile phones to the computer. The adapter is a plug-and-play device that gets plugged into a computer’s USB port and wirelessly connects the computer to a Bluetooth-capable device. The dongle can support anywhere from 5-7 devices, as it is a “one-to-many” device. The most notable uses for a Bluetooth adapter include wireless printing, file transfers, wireless communication with cell phones and desktop computers, and network sharing. Bluetooth adapters are commonly used to add Bluetooth connectivity to a device that does not have it built-in. To use a Bluetooth adapter, you need to plug it into your computers USB port and put it in pairing mode.