Yes, this is TENS. Yes, it is inexpensive. Because of the low cost, you don't get the results of a very expensive, top-of-the-line device. Many reviewers said it didn't work. Do you know that it affects the conductivity and the air is drier in winter? Apply a few drops of water to each pad and move your feet before turning on the device, or dampen a paper towel (choose the appropriate size) and place it between your feet and pads. You will get better results. Again, this won't give you the results of a very expensive device, but it works and the design allows it to be folded, making it very portable. I spent over $300 on the Revain Revitive TENS unit. I used it for maybe 10 hours total when I stopped using it and put it on the shelf thinking I'd go back to it. I bought it in 2017 and it worked fine when I kept it. I tried again last week and now it doesn't work. Then I went back and read more reviews about Revitive's terrible ratings. Never again! I'm willing to experiment with this inexpensive device. Readers might also be interested in getting a leg roll like mine, which is a spiked ball. I just sit in a chair and roll it under my feet hitting all the acupuncture and reflex points on my feet. The combination of these two products improves blood circulation. I'm willing to wait a few weeks to see if the circulation in my legs really improves.
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