Compact design: This USB oxygenator fits seamlessly into a range of aquarium sizes, maximizing tank space without compromising aesthetics. Quiet operation: The unit runs silently, creating a serene environment for your fish and minimizing disturbances. USB powered: Easily power it from any USB source. Compatible with USB power banks, laptops, or USB wall adapters for flexible placement and usage. Efficient oxygenation: Delivers reliable oxygenation to maintain oxygen levels in your tank, supporting a healthy and vibrant aquatic ecosystem. Use scenarios Small to midsized freshwater tanks: Ideal for narrow or spaceconstrained setups where maintaining water oxygen levels without clutter is important. Desk or nano aquariums: Suitable for desktop or nano tanks where aesthetics matter and space is at a , while ensuring adequate oxygenation. Portable or USBbased setups: Useful in dorms, offices, or locations without traditional outlets, powered by USB sources such as power banks or USB hubs for flexible placement. General aquarium maintenance: An efficient supplement to aeration in any tank, helping support fish health and ecological balance with easy USB compatibility.