HOTGEE(TM) 6.1" Quietness Metal Computer Laptop PC USB Fans USB Plug Charger Mini Desk Cooler Fan with Nail Dust Collector Function (Purple) Product Name : USB Fan; Voltange : DC 5V Material : Metal; ultra-quietness Cable Length : 1.2M / 3.93ft;Fan Diameter : 13.7cm / 5.4 Size(Adjustable) : 15585155mm/ 6.1 Package Content : 1 x USB Fan