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Continuous flow rate, adjustable range is 1-3L / min, can provide stable 90% ± 2 (1L) pure oxygen flow rate.
Easy to carry and lightweight: 15.8 pounds. When traveling, it can be used in conjunction with the car adapter, and it can be taken outdoors by a removable rechargeable lithium-ion battery. Clear high-definition LCD screen, easy to read within 20 miles, infrared remote control.
Mute design is quiet and does not disturb the people: intelligent three-dimensional noise reduction technology, high-performance spring shock-absorbing pads and other distributed forces make the sound more quiet and low noise.