Zuosheng Aquarium Air Pump USB Rechargeable Oxygen Pump Fish Bubbler High Capacity 4800mAh Lithium Battery Quiet Operation Durable Portable Automatic Start up Ideal for Indoor (4800mAh) Air Aquarium Pump  (Electrical)

Automatic Start-up] In case of a power failure, the oxygen pump automatically starts up, ensuring your fish receive a steady oxygen supply. ideal for indoor and outdoor use, including fishing trips. [Durable and Portable Design] Featuring an abs shell and silicone shock-absorbing pad, this oxygen pump is durable and to oxidation. its portable design allows for easy carrying by clipping onto fish tanks, waistbands, or clothing. [High-capacity Lithium Battery] This fish oxygen pump comes with a 4800mah lithium battery for long-lasting performance. easily rechargeable via usb, the pump can be used while charging, ensuring a continuous oxygen supply to your fish. [Intelligent Intermittent Operation] With an intelligent intermittent mode, the pump works for 10 seconds and stops for 10 seconds, providing a continuous oxygen supply while saving power and extending battery life. [Quiet and Peaceful] Operating at less than or equal to 30 decibels, this oxygen pump runs quietly, creating a peaceful environment for both you and your fish.