DescriptionIf you've been looking for a fish tank oxygen pump, then your search is over! That's because our USBoxygen pumpcanmeet your needs. It is portable, small size, provide enough air volumeto fill your fish tank and aquarium. It's a nice choice for you.Features-Color: as shown -Material: plastic -Size: 7.50X3.70X3.00cm/2.95X1.45X1.18in- Compact and light in weight design, easy to carry with you.- Stable and uniform bubble, the oxygen effect is obvious to see. - Widely used in all kinds of aquariums, fish tank oxygen providing. - Made of high-quality plastic material, can be used for a long time. - Shock-absorbing supple pad can reduce running vibration, stabilize noise reduction and absorb sound effectively .Specification-Power: 0.8 W -Voltage: AC 220V/110VDC 5V -Water pump flux: 200ML/min -Air pressure: 13Kpa -Frequency: 50/60Hz