Inogen One G4 Portable Oxygen Concentrator - Certified Pre-Owned

*Certified Pre-Owned* Main Features On demand oxygen delivery allows for a longer battery life Designed for full time usage: 24/7 Standard battery lasts up to 2 hours and 30 minutes and an extended battery can go up to 5 hours Inogen Connect Mobile Application - conveniently check the status of your device on your phone without having to reach for your device Quiet operation at only 40 decibels Description Introducing the smallest portable oxygen concentrator from the most popular brand, Inogen. The Inogen One G4 is capable of providing oxygen delivery in an unbelievable small and quiet package. At only 40 decibels, the G4 produces less noise than a normal indoor conversation. With flow settings from 1-3, the Inogen One G4 is designed to increase independence for most users 24/7. With its reliable, pulse-dose based Intelligent Delivery Technology, accurately detects your breathing rate and adjusts the oxygen level provided accordingly. It can be charged at home or on the go - givin