Mini Desk Fan Small Super Quiet Personal Air Cooler USB Power Portable Table Fan Product Feature: Ultra-quiet design. The pitch angle can be adjusted up and down. With key switch. USB power plug can be used for PC and NB power sharing. USB adapter can be purchased for power supply. Multiple choices of personalized colors. Comfortable air volume, close to use, suitable for all seasons. It can also be used as NB and PC cooling fans. Specification: Output current: 500MA Performance: Switch Independent Fan Control Speed: 2500 rpm Product material: plastic Feet inch: 149*96*146mm Weight: 110g Source: DC 5V Connection: USB Blade diameter: 96mm Power cord length: 1.0m Lists: 1 * USB fan Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.