Functions: four inch USB enter fan, suitable for office or school use. Made of PP material, sturdy for extremely very long time use. USB enter way, like minded with computers, laptops, portable chargers and diversified instruments with USB output. Stable base, can stand on desk well, won't make noise. Mini size with quick cable, maintain your table tidy, do not occupy an excessive amount of space. Feature: Materials: PP+ Electronic Components Color: Green, White Size: 12cm-4inch USB Cable: 20cm-7 Power Way: USB Input Charging Input: DC 5V/1A Notes: Please allowed 1-3mm differences thanks to handbook measurement, thank you! Due to the variation between diverse monitors, please take into account that the picture will not replicate the actual shade of the object Package included: 1pc x USB Input Desktop Fan