Product Details 【Therapy Feature】Low intensity 650nm laser is adopted to irradiate the blood vessels and acupoints and the blood viscosity will be decreased through photochemical reaction so that the hemodynamics blood lipid blood glucose metabolism and oxygen carrying capacity will be imrpoved. Through the surface irradiation of nasal mucosa this product also improves the local blood circulation around the nasal cavity and immune ability of nasal mucosa so as to treat rhinitis and nasal congestion. 【2 in 1 Function】This product is suitable for the treatment of hypertension hyperviscosity hyperlipidemia hyperglycemia ischemic cardiovascular and cerebrovascular diseases and auxiliary treatment of rhinitis. 【Convenient to use】Long press the On/Off button to start the device then click the Time button to set the usage time(60 minutes maximum) and then click the Power button to set the light intensity and click the Switch button to set the wrist mode nasal mode or both two modes at the same time then click the On/Off button again to start treatment. 【Usage Note】It is recommended to use this device twice a day one in the morning and one in the evening and 30-60 minutes each time. And please wear the device on your left wrist as this can ensure that the laser energy accurately traverses the radial artery ulnar artery Neiguan and Daling acupoint for radiation treatment. It normally only takes a month to realize an effective treatment. 【Long Duration】This product is rechargeable and the average continuous usage time without failure can reach up to 4000 hours.