Description Do you want a kind of replacement cooling fan for your cooling vest? Do you want to keep youcool during hot summer? This can be your best choice. Really practical and useful, just install it onto your cooling vest (not included). Features -Color:Black -Material:ABS, PP -Size:10.50X10.50X4.00cm/4.13X4.13X1.57in - Low noise, low power consumption, long service life, providing you coolness for longer time. - One-button switch, three gears adjustable wind speed, meet your different needs. - USB connector, this cooling fan can be powered by power bank, wall charger, computer, and etc. - Help to cool you down during hot summer, perfect replacement fan for air conditioning clothing. - It is manufactured with professional technology to ensure the product can work for a long time. Package list: 2 x fans 1 x USB cable