Mini aquarium air pump fish aquarium USB oxygen fan ultra-quiet energy saving 100% brand new and high quality Specifications: Product weight: 137+10g Product size: power cord: 100 cm Length: 7cm Width: 3cm Color: dark blue Material: silicone Attribute: Ultra-quiet USB oxygen pump is getting closer and quieter. 2.The atmosphere is compact, portable, and the service life is prolonged, so there is no need to worry about power failure. The initial volume is large, and the increase of oxygen at the end of large air duct is light. 4.Stable oxygen supply, low power consumption, energy saving, low heat generation and stable air performance. Includes: 1* air pump Matters needing attention: 1.Due to the different colors displayed by different computers, the color of the actual article may be slightly different from the above picture. 2.Please allow the difference of 0.5 ~ 1cm due to manual measurement. Thank you for your understanding.