Aquarium Oxygen Gas Pump USB Fish Tank Small Aerator Mute Air Compressor Mini Aerator Portable Fish Tank Accessories describe Color: Black or White or Green or Pink Material: plastic and copper Power supply mode: USB, 5v 1A Power: 1W Note: This product does not have a charging function, once the power is cut off, it will stop working. feature: 1. Energy saving and mute. 2. Using copper as the motor material, the performance is stable. 3. It can be used to increase oxygen in fish tanks, outdoor fishing, seafood oxygen supply, etc. 4. USB power supply, you can get electricity through sockets, charging treasures, and cars. 5. The air volume is large, stable and uniform. Package Included: 1 x Aquarium Air Pump (The color of the hook is random) The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.