Description: 1. Small size with buckle: This aquarium air pump is small and light, equipped with a buckle. Suitable for outdoor fishing. Small and medium sized aquariums, fish tanks, ponds, etc. 2. Ultra quiet: This aquarium air pump uses an ultra-quiet but highly efficient motor. Compared with electromagnetic pumps, there is no noise. It won't disturb you when you sleep. 3. Low power consumption: The power consumption of this USB oxygen pump is only 0.2W, long life and energy saving. If you plug it into a 10000 mA power source, it can last for about 50 hours and still work efficiently. 4. USB plug: The length of the USB cable is approximately 4.9 feet (1.5 meters). This mini air pump can run from any USB power source. 5. You will receive: 1 aquarium air pump, 1 USB data cable, 1 air stone, 1 silicone pipe