Are you looking for a oxygen pump? Reusable fish tank oxygen pump is made of plastic materials. It is safe and reusable. It without being easily damaged. It is an excellent fish tank pump that can bring you convenience, allowing you to have comfortable experience. Features -Color:White -Material:Plastic -Size:7.60X3.00X3.00cm/2.99X1.18X1.18in -Rated voltage: 5V -The effortless operation of this portable usb oxygen pump makes it suitable for both beginners and experts. -With its virtually silent operation, this oxygen pump creates a serene and peaceful atmosphere for fish tanks. -This versatile oxygen pump can be used in various settings, adding convenience to your fishkeeping experience. -By providing ample oxygenation, this oxygen pump helps maintain a aquatic ecosystem, ensuring well-being. -Compatible with different fish tanks, this oxygen pump keeps your fish lively and vibrant, enhancing overall health. Package list: 1 tank oxygen pump 1 x hook 1