HACENOR Air Travel Friendly Mini Portable 1.5L Fixed Continuous Flow Oxygen Concentrator With Long-time Work 9 Hours Battery FYY-01 Type:Oxygen Concentrator(With Built-in Battery)+1PC External Battery+1PC Inverter 85 lb) Noise ≤ 45

85 lb) Noise ≤ 45 dB(A) at any setting Size 390mm*275mm*120mm Charge time is approximately 30 minutes fully charged Battery duration 2 hours at 3lpm

1 × Humidification Bottle

Weight Machine Weight About 4

Connect the charger to continuous working

HACENOR Air Travel Friendly Mini Portable 1.5L Fixed Continuous Flow Oxygen Concentrator With Long-time Work 9 Hours Battery FYY-01 Type:Oxygen Concentrator(With Built-in Battery)+1PC External Battery+1PC Inverter 85 lb) Noise ≤ 45Specification: Model Number FYY 01 Oxygen Flow Mode Continuous Flow Oxygen Flow 1. 50. 3L Min Oxygen Purity 30%5% Weight Machine Weight About 1. 43lb Noise 50 dBA At Any Setting Dimension 140x130x70(mm) Charging Time 4 Hours