This handy USB mini foldable fan has multi-function use, it can be used as a portable hand fan, desk fan or umbrella fan. The unique handle design allows for 2 functions, for handheld use simply pull the handle to a vertical angle until it clicks into place and away you go. If you wish to use it as a desk fan simply fold the handle back and this will allow the fan to sit neatly on the desk. A 3 speed dial option allows you to adjust the fan speed from low, medium to high level. Powered by a built in Li-ion battery the fan recharges with the USB charging cable (included), when fully charged the fan works for approximately 2 to 4 hours.