HACENOR Small Portable 2 Hours Internal Battery 1-2 Liters Two Modes Flow Oxygen Concentrator For Travel Use FYY-03 Type:Oxygen Concentrator(With Built-in Battery)+1PC External Battery+1PC Inverter Strap the backpack directly behind

Strap the backpack directly behind the seat

Battery*1Bag*1Oxygen Mask*1Headset Cannula*1Power Adapter*1Car Power Cord*1User Manual*1

Three ways of power suppliers: Used in cars

90%@1-3LPM

5*242mm Charge time is approximately 3-4 hours fully charged Battery duration 80-120 minutes

HACENOR Small Portable 2 Hours Internal Battery 1-2 Liters Two Modes Flow Oxygen Concentrator For Travel Use FYY-03 Type:Oxygen Concentrator(With Built-in Battery)+1PC External Battery+1PC Inverter Strap the backpack directly behindSpecification: Model Number FYY 03 Oxygen Flow Mode Continuous&Pulse Flow Mode Oxygen Flow Low Gear : 1. 00. 3L Min High Gear : 2. 00. 3L Min Oxygen Purity 30%5% Weight Machine Weight About 0. 93KG(2. 05lb) Noise 45 dBA At Any Setting Dimension 125x95x140(mm) Charging Time 2 to 3 Hours