Mini Tower Fan 90-degree automatic oscillation, paired with a turbo wind-gathering design and aerodynamic wind guide cover to expand cooling coverage and boost airflow efficiency. This Oscillating Tower Fan requires compatible USB power sources for charging, should be kept away from water, and stored fully charged in a cool, dry place during long-term non-use. USB Rechargeable Small Tower Fan comes with a 1200mAh battery, supporting 3 adjustable speed settings for quiet operation that won't disrupt work or rest. Compact Mini Tower Fan is crafted from ABS material, making it lightweight and perfect for desktop placement in bedrooms, offices, or dorm rooms. Oscillating Small Tower Fan features air conditioner-style cross-flow wind wheels and curved blades, delivering soft yet powerful airflow that fills your space evenly without harshness.