portable 2 in 1 mini fan humidifier usb rechargeable handheld fan water spray mist fan face steamer air conditioner for outdoor

rechargeable: powered rechargeable battery(400mah), the handheld fan can continually work approx. 2.5hours from fully charge. this personal hand fan also can work with usb power sources, such as cellphone adapter, power bank, computer, lapand more. compact design: you can put it on desk. you can use it at home, in office or classroom. the cool breeze will makes you comfortable while study or working. low noise: made of high grade motor, this fan personal produce strong, smooth and quiet wind. low noise of portable mini fan won`t disturb you during exercise or working.