SolokingTM personal Usb handheld humidifier fan,built in 1200mAh rechargeable battery (pink) Soloking 2 in 1 personal humidifier fan,with its compact design,small and lightweight, you can take it everywhere at anytime you want,very easy and convinent 2 speed fan: low and high speed,unique handheld design,also can be used as desktop fan,the fan is make from high quality ABS plastic,durable and sturdy which produces a soft breeze to keep you cool and relaxing during hot summer You can connect micro USB cable via laptop,power bank,5v usb wall charger for charging the mini fan Charging time: 3 hours working time: 2-3 hours Please make sure you are fully charge the fan before use it Perfectly for indoor and outdoor use-office,home,dorm,study,library,games room,beach,picnic,sporting events,camping,hiking,cycling,backpacking,biking,climbing,boating,travel and more,comes also with the little bottle for Water injection to sink