Best Selling🔥4.85lbs Lightweight 1-5L Portable Oxygen Concentrator NT-02

NT-02 Highlights：▪️ Dual mode: Pulse dose + Release Oxygen Every 1.5 Seconds ▪️ 93% ± 3% Oxygen Concentration ▪️ 3-4 Hours Long Battery Lasting( Click here to get extra batteries.)▪️ Replaceable Battery (Charger included in the package.)▪️ Only 4.85Lb Lightweight ▪️ Full Sets of Accessories▪️ Free Versatile BagOxygen Delivery & FiltrationThe NT-02 consistently delivers oxygen at a concentration of 93±3%, with adjustable flow settings from 1-5L/min to suit your personalized therapy needs. Its advanced filtration system ensures the oxygen is purified and free from impurities and allergens, providing a reliable, fresh, and optimal therapeutic experience. Long-lasting Battery LifeEquipped with a 6400mAh/92Wh 8-cell battery, the NT-02 offers 3-4 hours of continuous operation. The removable battery design ensures simple maintenance, and additional batteries are available for purchase separately, allowing for extended use and uninterrupted therapy wherever you go. If you want longer batte