Portable Oxygen Concentrator travel with Removable Rechargeable Battery oxygen+concentrator Rechargeable Oxygen Machine with Nebulizer Function Oxygen Generator for Home and Travel Car Use

▲[Constant oxygen flow]29+/-2% concentration, 3LPM.oise below 50dB , It can work 4 hours maximum and then auto shut off for overheating protection.(Can be turned on again after 30 minutes).
▲[Traveling with oxygen ]it works with a car adapter when you out for a trip in vehicle, take it outdoor for a walking with its removable, chargeable li-ion battery. Also it would work with dual power source of AC 110/220V.
▲Ywanwj portable oxygen concentrator travel[Rechargeable]The battery is of 2200 mAh (1~1.5 hour lasting after 2 hours full charge) , you may need our 5500 mAh battery as an extra, please search TOPQSC Rechargeable lithium battery.
▲[Easy to use]Simplified concise control system, control with only one knob of SET. Press SET button once, light on and machine work for 20 minutes; Press twice, work 40 minutes; a third press to work for 60 minutes; a fourth press, all 3 lights on and the unit will work for 4 hours.
▲Portable oxygen machine Weight: 5 lb, only 3 kilograms,dimensions: 9.8 ” X4.72 ” X5.9″. light weight and mini size suit for your travel. [45 db quiet] supplemental oxygen during the night to keep silent.