This powerful muscle stimulator packs the proven concepts of neuromuscular electrical stimulation (NMES) & transcutaneous electrical nerve stimulation (TENS) into a sleek lightweight pod you can use anywhere. Fully controlled by the PowerDot app, it takes the guesswork out of electrical muscle stimulation by guiding and customizing your intensity and pad placement. Trusted by everyone from the world's top athletes, to fitness enthusiasts, and beyond.