110V Portable Oxygen Concentrator O2 Enrichment Machine

Features: Two modes of supply are provided:(1)Continuous 02 mode: Flow >1L/min,02 concentration 35±3%.(2)Pulse flow>0.5L/min, Oxygen enrichment concentration 38±3%; Hyperoxia concentration 50±3%. You can use it with AC 100-240V power, which allows you to use it while you travel in 220V version countries; you can use it with its battery(included); it also supports working with your car by using its cigarette lighter. Time setting: Working time setting, Optional 30 minutes and 60 minutes, select the working time according to your needs; The light on the button means 30 minutes, and the light off means 60 minutes. Lightweight only 4.4lbs comes with a black carrying bag, you can take it on your shoulder easily. Everything was included, you can use it immediately when you receive it. Includes 2 Chargeable batteries (2500MA/ 1 Battery; Can use for 2 Hours Continuous Flow or 4 Hours Pulse Flow totally). Can be used in a car even in a place without a power supply. Specifications: Inpu