Electronic membership card. The present invention refers to an electronic membership card for members of an organization, with the ability to dynamically modify the information displayed on its surface and to actively communicate. The card comprises at least one electronic ink screen, an electronic ink screen controller circuit, a wireless communication interface for exchanging data, a radio frequency identification reader, a read/write radio-frequency identification tag, a circuit of power that obtains and distributes all the voltages to the rest of the components from a fixed battery and a microcontroller that determines the information that is shown on the screen. (Machine-translation by Google Translate, not legally binding)