Description The USB portable oxygen pump for fish tanks is a must-have for all fish enthusiasts. Its simple and convenient design makes it suitable for both beginners and experienced individuals. With its quiet operation, it can be used in various settings such as living rooms, bedrooms, and offices, providing a peaceful environment for your fish. Features -Color:As Shown -Material:Plastic -Size:7.60X3.00X3.00cm/2.99X1.18X1.18in -Rated voltage: 5V -This oxygen pump is designed to be convenient and user-friendly for fish enthusiasts of all levels, making it easy to use. -The quiet operation of this oxygen pump makes it ideal for use in noise-sensitive environments, won't disturb the quiet. -With its multi-functional design, this oxygen pump is suitable for use in different spaces like bedrooms and offices, versatile. -By enhancing oxygen levels in the water, this oxygen pump promotes a healthy aquatic environment for your fish, useful. -This oxygen pump is compatible with a wide range of fish tanks, ensuring that your fish will always have access to oxygen. Packing list1 x fish tank oxygen pump1 x hook1 x cable