USB-powered desktop tower fan is compatible with multiple power sources, including laptops and AC adapters, flexible placement options. With a rated power of only 2.5W, the small tower fan for desk operates with low energy consumption, reducing unnecessary power usage over time. Mini tower fan features a tower-shaped air duct design that powerful airflow while operating at low noise levels, making it ideal for uninterrupted work or rest. Compact size of the short tower fan fits seamlessly into narrow spaces like small desks, side tables, or office cubicles without taking up excessive room. Two-speed adjustment function allows the desk tower fan to switch between wind intensities, catering to different cooling needs in various scenarios.