Generic JISULIFE Handheld Turbo Fan 16H Max Cooling Time Mini Portable 4000mAh USB Rechargeable Personal Battery Operated Small Pocket Fan White

Patented Turbocharged Airflow: JISULIFE Handheld Turbo Fan has 2 vortex tech patents: Air Turbo and Air Jet. The airflow is accelerated and compressed by the air duct turbine, the wind is stronger, and the wind feeling is closer to nature 5 Gear Turbo Wind: JISULIFE Portable Handheld Fan has 5 gear turbo wind for potent cooling. You just press the power button to change wind setting, short press to cycle switch low-speed (3300r/m) to high-speed (6100r/m), long-press at any gear to turn off