Specifications:
1.High-definition LCD touch screen, real-time display of oxygen concentration, flow, failure;

2.Compressor bearings imported from Germany, leather wrist, longer service life;
3.Aviation grade lithium molecular sieve originally imported from the United States, with the highest oxygen concentration up to 95%;
4.Accurate and easy to adjust electronic flow;
5. Extreme silence of 45 dB, rest assured sleep.