Method and device for controlling device by using bluetooth low energy (le) technology

A third device for controlling a connection between a first device and a second device by using Bluetooth LE (Low Energy) technology, the third device comprising:

• a communication unit for communicating with external devices in a wireless or wired manner;
• and
• a processor functionally connected to the communication unit,
• wherein the processor receives from the first device an advertising message including information related to a connection control service, connects with the first device based on the advertising message, and requests the first device to write in the characteristics of the first device in order to instruct to perform a specific operation,
• wherein the advertising message includes at least one of role information indicating a role of the first device, bonding information indicating a bonding state, or connection information indicating a connection state.