Negative ion air purifiersVoltage: DC5VQuantity/S: 20M/sSize: 37.5x13.5x17mmWeight: 100gWorking area: 40㎡ indoorWorking scene: bedroom, office, in car ect..Main functions: Negative ions have sedative, analgesic, antitussive, antipruritic, diuretic, appetite-increasing and blood pressure lowering effects.For example, after the thunderstorm, the negative ions in the air increase, and people feel comfortable. In the air-conditioned room, the negative ions in the air almost disappear after a series of air-conditioning purification treatment and long ventilation ducts.People staying in it for a long time will feel chest tightness, dizziness, fatigue, work efficiency and health decline, which is called "air conditioning syndrome".Its functions are: 1、Purifying air. Positive and negative suction, negative ion generator can absorb harmful substances such as positively charged dust in the air, so that the surrounding air can be effectively purified. 2、Prevent respiratory diseases. Negative oxygen ions can effectively enhance the cilia movement on the tracheal mucosa, improve lung secretion and ventilation function. 3、Enhance human immunity. The negative ions inhaled by the human body can effectively slow down the blood clotting time of the human body and increase the oxygen content in the blood, which is conducive to the transportation, absorption and utilization of blood oxygen in blood vessels In addition, it has the effects of improving sleep, invigorating the spirit, and strengthening brain activity.Contact information :E-mail: root@rgblite.comScarlett LinMobile/Whatsapp: + 8613566624044