A method of connecting a service between a first wireless device and at least one second wireless device using voice recognition, the method comprising: recording (405, 407), by the first wireless device and the second wireless device, a user's voice input in a state where a voice command button has been actuated (401, 403) on both the first wireless device and the second wireless device including recording a timestamp corresponding to the actuation (401, 403) of the voice command button; transmitting, by the first wireless device to a preset server, first information based on the recorded user's voice, the timestamp and a device address of the first wireless device, when the voice command button is released, and when a start command for service connection is detected through analysis of the recorded voice; transmitting, by the second wireless device to the preset server, second information based on the recorded user's voice, the timestamp and a device address of the second wireless device, when the voice command button is released, and when a start command for service connection is detected through analysis of the recorded voice; receiving, by the first wireless device from the preset server, third information including operation mode information determined for the first wireless device, the device address of the second wireless device, and execution information of a service to be executed; recognizing, by the first wireless device, a service type according to the first information and the received third information; connecting, by the first wireless device, the first wireless device to the second wireless device in an operation mode of the first wireless device determined according to the recognized service type; and performing, by the first wireless device, a service with the connected second wireless device. recording (405, 407), by the first wireless device and the second wireless device, a user's voice input in a state where a voice command button has been actuated (401, 403) on both the first wireless device and the second wireless device including recording a timestamp corresponding to the actuation (401, 403) of the voice command button; transmitting, by the first wireless device to a preset server, first information based on the recorded user's voice, the timestamp and a device address of the first wireless device, when the voice command button is released, and when a start command for service connection is detected through analysis of the recorded voice; transmitting, by the second wireless device to the preset server, second information based on the recorded user's voice, the timestamp and a device address of the second wireless device, when the voice command button is released, and when a start command for service connection is detected through analysis of the recorded voice; receiving, by the first wireless device from the preset server, third information including operation mode information determined for the first wireless device, the device address of the second wireless device, and execution information of a service to be executed; recognizing, by the first wireless device, a service type according to the first information and the received third information; connecting, by the first wireless device, the first wireless device to the second wireless device in an operation mode of the first wireless device determined according to the recognized service type; and performing, by the first wireless device, a service with the connected second wireless device.