2×Battery 3L Portable Continuous Flow Oxygen Concentrators with risk-free and safe

risk-free and safe

Easily one of the most important factors to consider when purchasing an oxygen concentrator is the flow rate capabilities

and no one will notice your shoes

and commonly

reduce the difficulty of excretion care

2×Battery 3L Portable Continuous Flow Oxygen Concentrators with risk-free and safeOxygen Concentrators Features: Multi Purpose: Awesome for home, car, travel, and work, Including 2* battery. Charge 4 hours, Work Time for 2. 5 hours. 2 batteries work for 5 hours Low Noise: less than 45dB, night use will not affect sleep, It works with or without water, no need to refill at night. Portable and light: Size: 9*4. 3*6. 6 inch, weight 4. 4Ibs, with carrying Bag is portable Energy efficient, Economical Consumption: Power Consumption is