JISULIFE HANDHELD FAN 5 PLUS4000 MAH,WHITE

Patented Turbocharged AirflowJISULIFE 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 WindJISULIFE Portable Handheld Fan Upgraded 5 gear turbo wind for potent cooling. You just simply press the power button to change the wind setting, short press to cycle switch low-speed (3300r/m) to high-speed (6100r/m) and long-press at any gear to turn it off.16H Max Cooling TimeJISULIFE Hand Held Fan comes with a 4000mAh rechargeable battery(twice larger than a normal hand fan), which can provide 3-16 hrs duration (depending on different speeds).