O2 Blast - Portable Oxygen Can, Filled with 99.99% Pure Oxygen in a Can with Breathing Mask for Sports, Travel, and High Altitude Use | On-The-Go Air Support for Hiking and Outdoors – 10L, 6-Pack At home or in the car, the machine can also be directly connected to the power supply for use (if you need to buy a spare battery, please consult us) [Timing Shutdown] One-click operation, easy to operate. [With External Battery] The attached external battery can be used for 2 hours when fully charged. Battery Powered Oxygen Concentrator Rhythm P2 - Respiration Nation Portable Oxygen Concentrator Long-time Working Battery. The working time of the lithium battery reaches 110-120 minutes, which will ensure your travel is more convenient and enjoyable Three timing buttons can be set for 20-120 minutes. Weighing only 3 pounds, product size: 9., 05 * 3., 7 * 5., 5in Portable Oxygen Concentrator | MME Group, Inc Equipped with a portable bag
