Portable Oxygen Concentrator 1-8L Oxygen Concentrator Machine for Travel, Pulse Portable Oxygen Generator 4.3lbs, with Accessories&Timer Function

Adjust flow from 1L/min to 8L/min(93% concentration).This machine can meet the different needs of family members.(The portable machine operates mainly in breath-sensing pulse mode, with fixed pulse mode as backup)
Includes a rechargeable 6700mAh battery( battery life: 1.2-4h) of outdoor and an AC adapter kit for indoor use.Battery fully charged time:≤ 150 minutes.Battery indicators and screen display make it easy to check remaining power
The concentrator is compact and lightweight for on-the-go use. Weighing only 4.37lbs,Size:8.1*7.7*3.3 in.It comes with a custom bag which offers 4 carry options: backpack, shoulder bag, crossbody bag, or handbag