Oxygen Concentrator continuously provides a stable concentration of medical-grade oxygen. It features molecular sieve pressure swing adsorption technology, an intelligent flow control system, an ultra-quiet design, integrated blood oxygen monitoring and atomization functions, and a lightweight, portable or desktop dual-mode design. It provides 24-hour continuous oxygen supply without the need for cylinder replacement. It is simple to operate and highly safe, effectively increasing blood oxygen saturation and alleviating hypoxia symptoms. The Oxygen Concentrator is suitable for home oxygen therapy for chronic respiratory diseases, oxygen supplementation in high-altitude hypoxic environments, post-exercise recovery, and daily healthcare for the elderly.