To use the software IJump is necessary that the computer has a bluetooth connection, otherwise, or you can buy, at any computer store, or directly from this web page, a Usb Bluetooth
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In telecommunications Bluetooth is one standard technical and industrial broadcast Data for personal networks wireless (WPAN: Wireless Personal Area Network). Provides a standard method, economical and safe to exchange information between different devices through a radio frequency secure short-range.
Searches for Bluetooth devices covered by signal radio within a radius of a few dozen meters putting them in communication between them. These devices can be for example PDAs,mobile phones, personal computer, portable, printers, digital cameras, video game consoles provided that they carry the specific hardwareand software required by the standard itself.