Portable Oxygen Generator Without the Need for a Cylinder

The device shown in the image is the Philips Respironics SimplyGo portable oxygen concentrator. Additional information about the device: Function: It is a portable oxygen concentrator that provides continuous flow and pulse dose oxygen delivery for patients requiring high levels of supplemental oxygen. Features: Considered one of the smallest and lightest oxygen generating devices in the world. Features a long-lasting compressor and a highly impact-resistant design. Can be used at home, in institutions, and during travel. Travel approval: Approved for use on commercial airline flights by the U.S. Federal Aviation Administration (FAA). Battery: A single battery can last approximately 3 hours at pulse dose setting 2. Includes home charger Car charger New, unused