on purchases of $34.99 or more and
Free Standard Shipping on purchases of $34.99 or more applies in the U.S. only. Free Returns in the U.S. and Canada. Large, oversized items and products delivered by special or white glove carriers are not eligible for free shipping or free returns. Free returns are not applicable to final sale/non-returnable items. As always, check the deal's Fine Print for restrictions.
The instructions are very easy to follow. I saw a difference after the first week. However, it appears the battery died during week two. I was disappointed but I’ll buy more batteries for it.
It’s worth the purchase