Mini Portable Turbo Fan [16H Max] Personal, USB Rechargeable 4000mAh, Small Battery Operated Pocket Fan with 5 Speeds-Brown

Patented Turbocharged Airflow: The handheld turbo fan has 2 vortex technical 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-speed turbo fan: 5-speed portable fan for powerful cooling. You just need to press the power button to change the wind setting, short press to cycle from low speed (3300 rpm) to high speed (6100 rpm), and long press at any gear to turn off
Maximum 16H Cooling Time: The hand fan comes with a 4000 mAh rechargeable battery (twice the size of a normal hand fan), which can provide a duration of 3 to 16 hours (depending on different speeds).You can charge via regular outlet, power bank, computer or any other device with USB port, just 3 hours to get a full charge
Powerful and Energy Efficient: The personal handheld fan features a high-performance motor and optimized air duct to enhance wind power while minimizing noise. Compared with other portable fans, it has faster speed (6100 rpm) and stronger wind (4.8 m/s) Portable and desktop fan: The portable mini fan comes with a lanyard and a non-slip mat at the bottom, you can hang it around your hands like a handheld fan outdoors, and use it as a small desk fan on a flat table indoors