10000mAh 11-20h Working Time-: Battery life of the handheld fan is incredible, at the low speed can going for 20+ hours no trouble while you sleep during a hot night. The maximum wind can also last for more than 10 hours. Fully charges in 3 hours, and the Real-Time display of power and wind speed on the LED screen, don't worry about suddenly stop working, monitor the power at any time.<br> 5 Adjustable Speed-This portable fan has 5 levels of intensity, great little fan generating a good breeze at the lowest setting and a hurricane at the highest. Control the Sleep Wind/Natural Wind/Refreshing Wind/Cool Wind/ Hurricane as you like.<br> Mini Silent Fan-Only 190 g as heavy as your phone, really dinky & will easily fit in most handbags. Ultra-quiet engine design, all you hear is a faint murmuring, which does not keep us awake.<br> Multifunction Small Fan-Comes with a detachable base as the phone holder, and support 90 degrees adjustment to be the desk fan, detachable lanyard become a neck fan. Especially suitable for summer travel or outdoor sports you can take it to anywhere, like party/camping/Football Game/or any activity.<br> Women's Lifesaver/Perfume-That for a woman who regularly has hot flushes due to menopause this travel handheld fan is absolutely wonderful. Girls mini fan, got for eyelash application and skin care, makeup etc. Besides, this rechargeable fan equipped with a fragrant tablet, you can drip your favorite perfume, and enjoy the cool and reassuring smell.<br> Best Gift for Men-For men who often engage in outdoor sports and work, the portable neck fan has become an indispensable tool in summer. It is very suitable for drivers, outdoor workers, and craftsmen etc. This is a for father, husband, boyfriend intimate gift.