Intensive dual muscle stimulator Relieves pain, faster recovery, better performance 2 pod devices for faster results 2 muscle stimulation technologies at work (NMES & TENS) App-powered personalised treatments FDA-cleared, 20 hours per charge Use 1-2 times per day, per muscle group for 20 minutes Therabody PowerDot Duo 2.0 uses the power of two trusted muscle recovery systems in one device. Neuromuscular electrical stimulation (NMES) and transcutaneous electrical nerve stimulation (TENS) are both forms of electrical muscle stimulation. The little pulses they put out help recovery, improve performance and eliminate pain by quickly contracting your muscles and activating your nerves\' pain dulling chemicals. But it\'s easy to place the pads wrong. That\'s where the Therabody PowerDot Duo 2.0 shines. With double the pods, you can target both sides of the muscle group at once or both sides of your body for faster and more intense results. Get rid of back pain, period c