★【quick cool down】- equipped with 6 pcs fan blades and strong power ensure maximun air flow.the design is ideal for outdoor crowds, and you don't have to worry about the outdoors even when the temperature is so high, because this fan can cool you down,it's a must-have for the summer.★【folding & multipurpose design】- this fan can fold up to 180°.you can use this fan: 1hold it on your hand, 2put it on the table, 3hang it on the sun umbrella, 4clip it on other objects★【energy source】- this fan is a usb port rechargeable model. it can also be powered directly by batteries, but you must remove the insulation from the battery compartment, otherwise it will not be recharged or used.usb cable can be charged with computer, mobile power and so on.★【3 adjustable speed level】- low/medium/high speed level.