1.A complete set of health and environmental therapeutic instrument, which equips with a pair of ear-piece sensor for ears, a nasal sensor for nose and a hand-held sensor for any aching area all over the body. 2.Highly efficient and harmless to the user. 3.Designed for home use laser, highly safety and stability. 4.Delicate and humanistic design, convenient to carry and easy to operate. 5.Improve blood circulation and cure blood diseases. 6.Laser wavelength : 630nm-690nm. 7.Laser output power: between 2mW and 5mW. 8.Wide range of application, such as sub-healthy people; the elderly; patients consume medicine frequently; patients suffer from blood vessel diseases such as abnormal blood pressure, fatty liver,neurasthenia,hypertension,high blood-fat, high blood viscosity. Dimensions:23(L)*32.8(W)*9(H)cm