The EMS of the electro-stimulation device has as a central objective the creation of muscle contraction or vibration, so that all muscles work simultaneously. The muscles to be worked are chosen by the user when using the device. The TENS consists of the electro stimulation of the transcutaneous nerve. It has the function of relieving pain through the mechanism of your nervous system for the relief of chronic and acute pain. The results obtained in this process are beneficial for acute pain and in various conditions of prolonged pain, such as joints, bones or muscles. The product complies with the safety directives IEC EN 60601-1 - IEC 60601-2-10; IEC EN 60601-2; Class IIa Directive 93/42/EEC.