DescriptionThis is aquarium fish tank oxygen air pump with functions of low noise. It is high-performance, large volume, for small and medium-sized fish tank. USB powered design, perfectly suitable for using in all kinds of ourdoor fishing, power cut emergency, aquaculture oxygenation, etc.Features- Color: Random - Size: 100 x 5 x 5cm - High-performance, large volume, this section is for small and medium-sized fish tank plus oxygen. - Low-power, economic power-saving, Continuous operation and long service life. - Micro design: Compact and mini design make the air pump aquarium air stone lightweight to carry outside, also occupy littlest space and suitable for small tabletop fish tank. - Slient design, reduces vibrations and eliminating noise,ensuring your good sleep and work.