Feature:1. High-Capacity Lithium Battery: This fish oxygen pump is equipped with a high-capacity lithium battery, ensuring long-lasting performance. It can be charged via USB and can be used while charging, providing an uninterrupted oxygen supply to your fish.2. Intelligent Intermittent Working Mode: The oxygen pump operates in an intelligent intermittent mode, working for 10 seconds and stopping for 10 seconds. This ensures a continuous oxygen supply while saving a significant amount of power, thus extending the battery life.3. Quiet Operation: With a working noise level of less than or equal to 30 decibels, this oxygen pump operates quietly, ensuring a peaceful environment for both you and your fish.4. Durable and Portable Design: The oxygen pump features an ABS shell that is resistant to oxidation. It also comes with a silicone shock-absorbing pad to reduce vibration friction. With a buckle on the back, it can be clipped onto fish tanks, waistbands, clothing, etc., making it easy to carry around.5. Automatic Start-up in Case of Power Failure: In the event of a power failure, the oxygen pump will automatically start up, ensuring that your fish continue to receive a steady supply of oxygen. This feature makes it an ideal choice for both indoor and outdoor use, such as fishing.Specification:Features: High-Capacity Lithium Battery: This fish oxygen pump is equipped with a high-capacity lithium battery, ensuring long-lasting performance. It can be charged via USB and can be used while charging, providing an uninterrupted oxygen supply to your fish.Intelligent Intermittent Working Mode: The oxygen pump operates in an intelligent intermittent mode, working for 10 seconds and stopping for 10 seconds. This ensures a continuous oxygen supply while saving a significant amount of power, thus extending the battery life.Quiet Operation: With a working noise level of less than or equal to 30 decibels, this oxygen pump operates quietly, ensuring a peaceful environment for both you and your fish.Durable and Portable Design: The oxygen pump features an ABS shell that is resistant to oxidation. It also comes with a silicone shock-absorbing pad to reduce vibration friction. With a buckle on the back, it can be clipped onto fish tanks, waistbands, clothing, etc., making it easy to carry around.Automatic Start-up in Case of Power Failure: In the event of a power failure, the oxygen pump will automatically start up, ensuring that your fish continue to receive a steady supply of oxygen. This feature makes it an ideal choice for both indoor and outdoor use, such as fishing.Specification:Power:1WAir pressure:0.018Mpa*2Air volume:3L/minAir outlet: Single holeApplicable fish tank: 30-50LBattery capacity: 2600mAhPower failure self-start: YesContinuous time: 35 hoursIntermittent time: 70 hoursProduct size: 110*70*38mmProduct weight: 300gPackage Weight: 125*100*70mmPackage size: 304gPackage list: 1*Oxygen Pump1*Air Tube+Air Stone1*Power CablePackage List:1*Oxygen Pump1*Air Tube+Air Stone1*Power Cable