This portable fish tank oxygen pump features a sleek and compact design, making it easy to integrate into any aquarium setup. The USB-powered functionality allows for flexible placement and use, whether at home or on the go. It operates quietly, ensuring a peaceful environment for your fish while effectively oxygenating the water to promote their well-being. Features -Color:White -Material:ABS, Metal, Bubble Stone -Size:8.50X3.00X3.00cm/3.34X1.18X1.18in -Silent designed: operates quietly to avoid noise disruptions, making it suitable for nighttime use in bedrooms or quiet office spaces -Portable usb power: powered by usb, this aquarium air pump is highly portable and can be used with power banks, laptops, or usb adapters for convenience -Space saving: its compact design ensures it fits seamlessly into any space, whether in a small fish tank or a medium aquarium setup -Healthy environment: provides consistent oxygenation to improve water circulation, supporting the health and vitality of your aquatic pets -Versatile application: ideal for various settings, including homes, offices, and travel, ensuring your fish receive proper care wherever you go Package list: 2 x aquarium air pumps 2 x bubble stones 2 x tubes