HighlightsAir volume is 2-3 times that of the ordinary hand-held fan3 Speed adjustmentsCome with a bolted stopper on the bottom base, place your phone against the fanEasy to charge the portable fan via computer, power bank, USB wall charger and so onConveniently put it in the bag with you to anywhereDetails*Features* - *6 Fan Blades* - Inspired by the aircraft engine; the large-inclined fan blade is used to compress the wind gathering channel; and the air volume is 2-3 times that of the ordinary