The device is a portable oxygen concentrator from the Kingon brand (lightly used, like new) model P2, known for its light weight of approximately 1.98 kg and ease of portability. Operating Options: It features five different oxygen flow settings (5 liters) to suit different needs. Display Screen: It has a control panel and a 2.8-inch LCD screen for ease of use. The battery lasts from 4 to 5 hours. It comes with a charger and a car charger. (The price of a new one ranges approximately between 7,450 to 9,000 SAR) Asking price: 5000 SAR, slightly negotiable.