Olive Portable Oxygen Concentrator With Low Noise, less than 40db(A)

B1:
Adopted module Design, easy to operation
LED Display
Intelligent Safety Hazards Caused By Mistakes

PortableTravel Oxygen Concentrator Product Feature:
High oxygen purity 93%+-3% from 1Liter to 5 liter
Operates with rechargeable external battery,AC or DC power
Exceptional battery life, can be used for 800  times
Fashionable carrying case with adjustable shoulder strap 
Low Noise, less than 40db(A)