Features: brand new and high quality Quiet: The USB charging air pump is made of high-quality materials, super quiet. Light and durable. Energy Save: Low power consumption, making your aquarium more environment friendly. Stable Performance: Oxygen air pump of premium quality and exquisite workmanship. It is for ideal for small and medium size fish for tank to plus oxygen. It is also perfect for all kinds of high-grade aquarium, aquaculture oxygenation, or spout decoration. Easy Installation: The air pump is very easy to install, no additional tools are required. Included metal hook is easy to hang anywhere. Wide Application: The oxygen pump is suitable for both freshwater and salt water. A silicone tube and an air stone is included in the package. Specifications: Material: Silicone Color: Light for Grey/Red/Yellow Size: Approx.7x3x3cm/2.76x1.18x1.18in Weight: Approx.140g Package Includes: 1 Piece Mini Air Pump (Light for Grey/Red/Yellow) 1 Piece USB Charging Cable 1 Piece Hose 1 Piece Air Stone note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!