JISULIFE handheld turbo fan [16 hours maximum cooling time] Mini portable handheld fan,4000mAh USB rechargeable Mini fan,5 speeds,suitable for travel/home/office/shopping

This small fan can quickly increase wind speed and is equipped with 5-speed wind speed adjustment.You can easily adjust it according to your needs by simply pressing the power button to switch,and long pressing can also turn it off with one click,making it easy to operate.The battery life can last up to 16 hours,ensuring continuous coolness whether traveling outdoors for extended periods or using it at home or in the office.The charging method is flexible and can be charged through various methods such as USB ports, power packs,computers, etc.It only takes 3 hours to fully charge.Reducing noise while providing strong wind power,even when used at night or in quiet environments,will not affect rest or work.The unique portable hanging rope design at the bottom allows you to carry it on your wrist when going out,and it can be stably placed on the desktop indoors,making it easy to switch to a small office fan. Whether it's outdoor travel,daily commuting,or office study,we can bring you a comfortable and convenient cool experience • 【Patent turbocharger air flow】JISULIFE portable turboprop has two vortex technology patents:turbo air and jet air.Airflow turbines accelerate airflow and compression,resulting in stronger winds that feel closer to nature • 【Wind turbine gear 7】JISULIFE portable fan with 7 wind turbine gears developed for strong cooling.Simply press the power button to change the wind settings,and then press any gear for a long time to turn it off • 【16H Maximum Cooling Time】The portable JISULIFE fan is equipped with a 4000mAh rechargeable battery (twice that of a regular handheld fan),which can save 3 to 16 hours (depending on different speeds).You can charge through a regular port,power pack,computer,or any other device with a USB port in just 3 hours to fully charge • 【Powerful and energy-saving features】JISULIFE portable personal fan features a high-performance engine and improved air channels to optimize wind energy while reducing noise.Compared to other portable fans,it has a higher speed (6100 revolutions per minute) and stronger wind speed (4.8 meters per second) • 【 Manual/Office Fan 】The small portable JISULIFE fan has a rope at the bottom,which can be hung as a portable fan in your hand when you are outdoors,and can be used as a small office fan on a flat table when you are indoors