The invention relates to a portable electronic device with additional body-related uses, comprising processing means and body interaction means. The processing means are equipped with control software and comprise a microprocessor, while the body interaction means are powered from the electronic device (a mobile phone or tablet) and are connected to the processing means. The body interaction means are positioned on the back of the mobile phone or tablet and comprise a cathode and an anode designed to be positioned on the user's chest in the form of a cardiac massage device, with the ability to produce a given electric discharge on the user. The processing means can also manage the body interaction means, the conditions of said electric discharge being established by the control software.
