The Bluetooth system enables the devices within the coverage of the waves to communicate with one another. These devices actually use radio waves to communicate with each other so there is no requirement for the devices in a row or on a single line, but devices can be located in different rooms but must The Bluetooth signal is powerful to cover this space
Bluetooth is a standard developed by a group of electronics companies to allow any two electronic devices - computers, cell phones, keyboards ... - to conduct a process of communication alone without wires or cables or any interference by the user.
Companies belonging to Bluetooth's interest group, estimated to number about 1,000, want Bluetooth wireless connections to replace wires to connect phone lines and computers.