Special pulse oxygen supply mode During use, it can automatically detect your breathing and release the required oxygen in time when you breathe in. The machine stops working when you breathe out. VARON is founded in 2021. Adhering to the concept of providing practical and preferential oxygen concentrators for more people with hypoxia, the brand continues to optimize products, and has been committed to internationalizing our products and passing our ideas to the world. At present, VARON's main product is oxygen concentrator, which is sold in many countries/regions including the United States. #varon #oxygenconcentrator #portableoxygenconcentrator #nt-01 #pulseflowoxygenconcentrator