Quell electrodes enable your Quell device to deliver safe, effective pain relief. The electrodes are made in the U.S.A., and uses an advanced hydrogel. Each 1 month pack of electrodes comes with two electrodes. Each electrode is designed to last for two weeks of typical use, meaning the pack will last approximately 1 month. There are three packs of electrodes in this product. Electrode lifespan may vary. Electrodes only work with the Quell device; both electrode and device are required.
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