This is just what it says it is. You definitely get some lactic acid sensation when you use the higher settings. I like this but I am not sure I would buy it again. I don't feel as strongly about the benefits as some other reviewers do.
- How accurate was the sizing? very
- Please tell us about the quality of the product. good quality product, though the box was less than desirable - not well packed
- Was the product free of any manufacturer defects? yes