The handheld fan with upgraded rechargeable battery of long lifetime need 2 hours for full charge,package comes with the USB charging cable and manual,you can charge the mini fan by the regular socket,power bank,computer or any other device that has a USB port.The portable fan with new copper made built-in motor is powerful enough to support the blade running at very high speed and produce strong wind,the fluid-mechanical designed cover can strength the wind and reduce noise.The cute hand fan only 5.1*2.4*1.97inch,0.19lb;you can put the cooling fan into your pocket or bag to anywhere you want to go,it's an ideal partner in hot summer to keep you cool in travel,indoor or outdoor.Featured with a detachable cover,the handheld fan is easy to open and clean.The designed with only one button control,short press the button to control switch on/off.The small fan with lanyard is easy to carry,could be used as handheld fan or a desk fan to satisfy your different needs with cute design.