CAT?100 Portable USB Oxygen Pump Fishing Aquarium Fish Tank Air Pump

Feature: 1. ABS outer cabin isolates mechanical noise, large LCD screen, easy to use, multiple noise reduction, providing comfortable sleep and rest experience. 2. Precise components, stepless air volume adjustment, airtight engine room to isolate the movement noise, rubber foot pads to isolate resonance noise. 3. Pure copper motor, energy?saving and long?lasting power, rechargeable lithium battery, safe and long?lasting battery life. 4. One machine with two functions, not only can be used indoors, but also can be used for outdoor fishing. 5. Large capacity of 4000mAh, long battery life of 68 hours, fast charging, and oxygen at all times. 6. Good power failure protection, intelligent AC and DC use, self?starting after power failure. Specification: Item Type: USB Oxygen Pump Material: ABS Weight: Approx. 825g / 19.1oz Plug Specifications, Product Voltage: US Plug, 110-240V Power: 3W Exhaust Volume: 4 L/min Battery Type and Capacity: Lithium Battery x 1 (4000mAh) (Shipped with Built-in Battery ) Air Volume Adjustment: Eight-Speed Air Volume Adjustment Power-Off Self-Start: Support Vent Holes: 2Pcs Outer Diameter of Stoma: 4MM Exhaust Pressure: 15kpa Purpose: Aquarium Aeration Pump for Fish Tank, Portable Aeration Pump for Outdoor Fishing. Package List: 1 x Oxygen Pump1 x Data Line1 x Plug