This portable and drug-free medical device seamlessly integrates TENS, EMS, and NMES technology with cutting-edge AMP Technology, allowing you to manage your pain effortlessly wherever you are. Its 4 pads provide gentle pulse therapy that feels like a deep tissue massage, promoting muscle relaxation, enhancing circulation, and effectively relieving pain in various parts of the body. Use it anywhere you need relief, whether it's for neck, shoulder, back, joint, or leg pain.