Used Portable Battery 1-5L Oxygen Concentrator - POC-05

Great Deal!!!95% NewAccessories: 1 PCS Rechargeable Battery,1 PCS Backpack,1 PCS Power Adapter,1 PCS Car Power CordNote: Used products are not supported for return and exchange.   Features: Lightweight & Portable: Weighing in at just under 5.4kg, this is made for travel. No Oxygen Tank Needed: With a concentrator, you don’t need to order oxygen tanks ever again. 90% Pure Oxygen: The concentrator takes the air in the room and concentrates it into 90% oxygen (+/- 2%). Low Noise: At less than 40 decibels, the quiet hum of this concentrator won’t disturb or distract you, so you can sleep peacefully and carry on conversations. Rechargeable In Car: If you’re away from home, you can easily recharge your oxygen concentrator in your car. Three ways of power suppliers: Used in cars, used with a rechargeable battery, used with plug. Can be used 24 hours/7 days at home or on-the-go. Specification: Model Number POC-05 Delivery Rate  1 to 5L/M Oxygen Purity Percentage 40%-9