Features: 
 ① using advanced pressure swing adsorption (PSA) oxygen generation technology. 
 ② extracted directly from the air fresh oxygen, the physical oxygen, environmental health. 
 ③ simple, just press the button, put on oxygen tube to oxygen, the oxygen concentration of 3 minutes to boot up to 90%. 
 ④ economical and practical: the average consumption of less than 0.16 yuan per hour; operation is simple: there is power to generate oxygen, oxygen and sleep for a long time 
 People who feel you need oxygen, as long as the boot, you can sleep at ease, no need for drugs or bottle, equivalent to the central oxygen supply system to move back home. 
 ⑤ wide range of applications: in line with the treatment and prevention of respiratory diseases, cardiovascular diseases, cerebrovascular diseases, altitude sickness and altitude sickness, 
 Age-related diseases, such as pregnant women and newborns have a positive effect on these diseases, people and students, white-collar job strain, body 
 Education campaign and other groups who have a good effect of treatment and care 

 Specifications: 
 Flow (L / min) 1 ~ 3 
 Oxygen concentration (V / V) ≥ 90% 
 Noise value dB (A) ≤ 48 
 Dimensions (mm) (length X width X high) 460X300 X560 
 Power (VA) 300 
 Weight (kg) 21 
 Contact: Zhang Ran QQ: 5.6.5.9.0.5.1.1.2 
 Phone :010-51 .9.2.2.5.72 
 Come Web site for more information: http #://# www. # Ehui # gou. # Com / (remove the #) 
 Address: 47 Fuxing Road, Haidian District, Beijing Jian Business Building, No. Sky # 1605