This drug-free treatment is FDA-cleared to help ease chronic pain around the clock—even during sleep—by delivering a therapy called Transcutaneous Electrical Nerve Stimulation, or “TENS.” Put Quell around your upper calf, and it generates an electric pulse through an electrode that stimulates sensory nerves, triggering a natural reaction in your brain that can block pain throughout your body. Each treatment lasts for an hour, running every other hour. You can adjust the strength or opt to skip a session. Use the companion app to time treatments, check battery life, or monitor sleep patterns.
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