6-Inch Mini Metal USB Fan for Laptop, Portable Desk Fan (Black) 1. Metal design with high quality and so quiet, hardly makes noise 2. More bigger,more stronger, 6 inches15 x 9.5 x 15cm(L*W*H) 3. Adjustable Direction, No Battery Requires (USB Only) 4. Mini USB Fan with ON/OFF switch for easy operation 5. Get a strong, steady stream of cool air directed where you want it with this Desktop USB Fan