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The Dolphin Neurostim OTC is an FDA-cleared microcurrent device that delivers fast, drug-free pain relief at home. This guide covers essential maintenance—cleaning probes, battery care, proper storage—and safe usage practices to maximize pain relief. Learn how to use microcurrent therapy effectively for chronic pain, stress reduction, and muscle recovery. Includes troubleshooting tips and safety precautions for pacemakers, pregnancy, and skin conditions.