The price of the product varies from 30-150 yuan/box, mainly because there are more manufacturers of this product, the quality of the product varies and whether the product has a formal production lot number, which can lead to a great difference in the price of this product, so when you choose to buy it, you must go to the regular channels to buy, and carefully identify the production The main effect of this product is to promote local blood circulation, and infrared therapy instrument, physical therapy instrument, spectrum therapy instrument efficacy is basically similar, so do not want to use similar products can also make other physical therapy instruments to replace.