... powered, plug and play. 3. Welcome your order. USB Mini Fan:1. PVC soft fan blades for safety, metal flexible ... made to customer's company name or advertising messages. 4. USB port powered, plug and play. 5. Works on any computer ... with a USB port. 6. Working Volt: DC 5V; Working current: 250mA.USB Mini Fan, Flashing Fan, Computer Gifts ...