niceEshop(TM) Quiet Portable Mini USB Fan for PC Laptop Desktop Netbook Tablet (Blue) Genuine xiaomi mini portable USB cooling fan. Plug and play, convenient for hot summer days. Can be use on power pank, laptop, notebook, car charger and other devices with USB port. Unique bendable and detachable design, light weight and mini, can be put into pocket . Long working time with low power consumption.