USB Rechargeable Silent Oxygen Pump for Aquarium and Fishing

Portable oxygen pump for aquariums and fishing, offering reliable oxygenation for fish at home or outdoors. Features three adjustable airflow levels to match different tank sizes and emergency needs. Runs quietly and efficiently with a copper core for stable, energy-saving performance. USB Type-C charging supports most devices, with automatic battery backup during power outages. Compact, lightweight design with lanyard hole for easy carrying. Includes one-meter air tube and choice of air stone or bubble plate for flexible use.