Smart cards for wallet that works with smartphones

摘要

In the present invention, a second body having a first body equipped with a position tracker and a buzzer unit outputting a sound signal is housed in a portable article, but in particular, the first body is secretly stored in the portable article, The portable device can be easily found, and the buzzer control module can prevent the sound signal of the buzzer section from being turned off in a non-set value state other than the set value, And more particularly to a smart card having a shape capable of being detachably coupled to the two bodies so as to be electrically connected to each other, And a control unit, which is installed inside the body unit and is connected to a mobile terminal through a wireless communication network, Predetermined distance or more falls positioning signal, in the sound signal and a light signal, at least any one notification a location of the body portion by means made online or offline status of a control unit which is provided to trace or grasp.