1. The business is mainly focused on the United States, and its core business is selling Revitive-branded home medical devices for improving leg circulation and relieving leg pain. 2. In the health / medical sector, it is a leading player in a specialized niche market, with competitors including brands such as Omron and Dr. Ho's. 3. The brand terms used on the official website are "Revitive" and "Revitive Circulation Booster".