2×Battery 3L Portable Continuous Flow Oxygen Concentrators Home 【Widely Range of Application】The backup

【Widely Range of Application】The backup battery power supply is powerful enough to meet different kinds of electricity demands usage for emergency

60Hz±1 Hz)

Humidifier Level

The Splint is built from a thin

Upper limit for Filter-frequency 20kHz

2×Battery 3L Portable Continuous Flow Oxygen Concentrators Home 【Widely Range of Application】The backupOxygen 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