A portable electronic device includes: a wireless communication unit that transmits and receives data to and from an external device via near field communication; a measuring unit that measures a physical quantity for determining a predetermined kinetic state of the portable electronic device; an announcement unit that issues a predetermined announcement; an announcement setting unit that makes a setting for whether to permit the announcement and/or for an announcement mode based on the kinetic state of the portable electronic device, which is determined based on the measurement by the measuring unit, and the kinetic state of the external device, which is acquired via the wireless communication unit; and an announcement controller that controls the announcement unit to issue the announcement based on the setting made by the announcement setting unit.