HOTGEE(TM) Quietness Metal Computer Laptop PC USB Plug Charger Mini Desk Cooler Fan with Nail Dust Collector Function (Green, 6.1") 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" x 3.3" x 6.1" (L*W*Max.H);Net Weight : 390g Package Content : 1 x USB Fan