Portable 1-5L/min Pulse Flow oxigen Con-centrator Machine for Home Outdoor 110V

Description

Features
Automatically calibrate oxygen level to your needs
Five pulse setting choices deliver up to 1000 mL/min of oxygen
Easy-to-operate
Easy to Carry
Fully functional on AC or DC power
Specification:
Rated Voltage:DC12-16.8V, AC100-240V
Noise: 55 Db(A)
Oxygen concentration:90% ± 3%
-Battery Duration: 1-3 hours
The battery failure and noise of each gear are as follows:
Level
Time
Noise
1
3
56
2
2.5-3
56
3
2.5
57
4
2-2.5
58
5
1.5
58