To improve convenience by properly dealing with even when a plurality of external terminal devices desired to perform proximity wireless communication therewith are present, while utilizing a one-to-one proximity wireless communication system.

A terminal device includes first and second communication units 131, 132 for proximity wireless communication, different digital cameras DS2, DS3, ..., are connectable to the communication units 131, 132, respectively and communication is performed by setting the device DS1 itself as a master device or a slave device in accordance with a state of communication connection with the digital cameras DS2, DS3, ..., so that communication can be performed in a state where three or more DS1-DS3 are cascaded practically.