VARON 3L/min Portable Oxygen Concentrator NT-05+Extra 4-Cell Battery

NT-05 comes with a 4-Cell battery, buying extra batteries to enjoy longer outdoor use. NT-05 Package+Extra 8-cell Battery:Extended use time of up to 5.5H NT-05 Package+Extra 4-cell Battery:Extended use time of up to 4H      Product Features: Upgraded version: continuous flow The NT-05 is an upgraded version of the NT-03 oxygen concentrator. Compared to the NT-03, the NT-05 offers more advanced continuous oxygen supply capabilities and higher performance. By providing oxygen continuously, the NT-05 seamlessly delivers the required oxygen to you while breathing, making it the ideal choice for efficient and reliable oxygen therapy. Suitable for various outdoor scenarios This portable oxygen machine, weighing only 3.3lb and equipped with a convenient carrying bag, is specifically designed to meet oxygen needs in various outdoor scenarios. Whether you are taking a walk in the park, traveling in an RV, hiking, or shopping, this compact device can pr