[Extremely Quiet]: The silent diaphragm pump is a completely energy-efficient copper coil for rechargeable oxygen pumps, which saves electricity and provides an extremely quiet experience. It uses a successful adhesive dot design to reduce vibration transmission [Powerful Motor]: The maximum airflow that the aquarium pump can get from the aquarium pump is 3000 ml/min, which ensures stable airflow for the aquarium pump. Our aquarium pump is small and does not take up much space.[Easy to Use]: The USB oxygen pump is attached to the side of the aquarium with the back clip to prevent it from falling. It supports USB charging. The USB interface can charge the battery directly from a computer or external power source. The other option is to charge the battery directly from a household outlet with a direct plug. [Wide Range of Applications]: The portable aquarium pump is suitable for emergency ventilation during various power outages in aquariums and wild fishing or for transporting a small amount of live aquatic products and oxygenating seafood. You can take it with you when fishing. Powerful battery-powered aquarium pump provides enough airflow to transport fish or isolate them during breeding [Get Content]: You will receive 1 x aquarium pump, 1 x hose, 1 x air stone and 1 x cable -USB charging station. If you have any suggestions or questions about our products, please do not hesitate to contact us at any time. We will give you a satisfactory answer as soon as possible.