The present invention provides a wireless communication device comprising: a wireless communication unit configured to perform wireless communication using radio waves belonging to a predetermined radio wave band between a first external device and a second external device; a proximity communication unit configured to perform proximity communication with a control terminal; and a control unit configured to cause control data, which indicates an instruction for the first external device, received from the control terminal via the proximity communication unit to be transmitted to the first external device via the wireless communication unit, the control unit adjusting a transmission timing of the control data or the data when causing the control data to be transmitted to the first external device while the first external device or the wireless communication unit sequentially transmits data to the second external device.