nCAP Medical patented pain relief technology is passive, it contains no drugs or herbal mixtures, no external power or batteries are required for its operation. The technology does not require direct contact with the skin and will work over top of clothing. The current pain relief patch is very durable and can be reused for many months to years if cared for and not misplaced or lost. nCAP has various methods to allow the creation of many different products and configurations for use in pre- and post-surgery, fitness, general wellness and other applications.