https://elitefitness.one/electronic-muscle-stimulator/ What is an electronic muscle stimulator? It is a TENS unit and portable pocket massager that gives you pill free, safe and effective pain relief and induces muscle and nerve relaxation you can feel in an instant. Use it for post workout soreness, neck and back pain relief, arthritis and tendonitis pain relief, stress relief and to get a good nights rest. #tens #massage #pain #muscles #nerves