Bluetooth technology. Bluetooth was developed in 1998 for establishing cordless connection between devices of various types (mobile phones, laptops, computers, printers, digital cameras, etc) at short range and for data interchange between them.
Bluetooth can be also used to create local device network and to connect them to Internet. The principle of Bluetooth technology is based on use of secure short-range radio frequency. Its main advantages are: absence of cables, compactness and convenience.