Transcutaneous Electrical Nerve Stimulation (TENS) is the magic formula for the E4 from the house OMRON. Sounds initially quite lifted. However Underlying this is a scientifically justified as clinically confirmed method for pain relief. Are tense places are treated the body with low frequency electrical stimulation on the merits. For this one mounted in the problem areas of the supplied counting electrode pads, which then send electrical pulses to the nerves under the skin. Previously, these relatively gentle application that can relieve muscle tension next example, arthritis, neuralgia and migraine to a minimum, only used in hospitals. This TENS unit now everyone will benefit from being able to use the positive effect of this technique in time and space completely independent. So a TENS treatment is probably best to compare the effect of her with a pleasant massage. Another advantage: The compact model E4 can be used thanks to battery operation and small size everywhere. The desired effect for the respective clinical picture can be achieved through individual programming. For this, the user has a total of twelve stimulation programs for shoulders, back, joints, arms / legs and soles are available. Adjustable is both the intensity, frequency and the type and duration of stimulation - displayed in an LCD display. A storage bag, electrode holders, batteries, instructions for use (easy to understand), warranty card and a pair of Long Life pads found in the whole package again. After two weeks of regular use, I can only give this product a perfect score.