Choose the COZING name for quality and reliability. This 650nm semiconductor laser therapy watch is the result of years of medical device research. It helps regulate blood pressure, control blood sugar, lower cholesterol, and improve blood viscosity all through gentle, non-invasive laser irradiation. The watch comes complete with nasal and ear probes, USB charging cable, and a protective pouch. Perfect for daily use by adults of all ages. Join thousands of satisfied users who have made COZING their trusted partner in home health.