VARON 1-5L Portable Oxygen Concentrator NT-01

Shipping Information： 3-5 Business Days For US Address5-7 Business Days For Canada Address Product Features: 1-5L/min oxygen flow High oxygen concentration 93%±3% Ultra sense technology DC/AC power supply: outdoors/car/home Comes with a carrying bag Large and user-friendly LCD screen Power Supply: ✅AC Power Supply-Home, work, or hotel room use✅DC Power Supply- used for plugging into the "cigarette" style outlets found in most cars, boats, vans, and other vehicles✅Built-in Battery-Outdoor use. Cycling, parks, hiking, supermarkets, shops, etc. Machine Comparison:   VARON NT-02 VARON NT-01  G3 Price $799($200 off now) $549 $2459 Operate Mode Smart Inhalation Mode+Ultra Pulse Mode Smart Inhalation Mode+Ultra Pulse Mode Pulse Mode Weight 4.85 Pounds 7.05 Pounds 4.90 Pounds Oxygen Concentration 93%±3% 93%±3% 90% - 3% /+ 6% Adjustable Flow 1-5L 1-5L 1-5L Low Noise ≤58db ≤58db ≤42db  Charging Time 2H 3H 4-5H Batt