The present invention provides a heartbeat monitoring and electronic recording or display device using bluetooth headphone comprises: a headphone, which has a heartbeat detecting module and an algorithm and control unit, and among them, the heartbeat detecting module measures the pulse by the ear, and transmit the signal to the algorithm and control unit, and the algorithm and control unit calculates the number of the beats using application program/sport information integrated system, and coverts the data into signals; an electronic device that has a recording or display unit to display the data for the user to read and use; a bluetooth module, which transmits the heartbeat signal between the headphone and the electronic device using wireless transmitting method; and by so doing, the heartbeat detecting module continue to detect the pulse and transmit the signal to the algorithm and control unit, and calculate, process, convert the data collected, and the bluetooth module transmit the signal to the electronic device to record and display its data, and by so doing, the data is detected by the headphone, and is transmitted with wireless device.