BluetoothA technology allowing devices to communicate with each other wirelessly. They communicate over short distances wirelessly.

USBThis is the most common method of data cable connection. Most mobile phones and media players can connect to a computer using this method of connectivity.

WIFIA method of wireless communication, this method of connectivity allows devices to connect to a computer network and the internet.

FirewireA method of transferring information between digital devices, especially audio and video equipment. This method is very similar to USB.