1.High-defination LCD touch screen, real-time display of oxygen concentration, flow, failure;2.Compressor bearings imported from Gemany, leather wrist, longer service life;
3.Aviation grade lithium molecular sieve originally imported from the United States, with the highest oxygen concentrationup to 95%;
4.Accurate and easy to adjust electronic flow;
5. Extreme silence of 45 dB, rest assured sleep.