Ultra-Quiet Mini USB Desk Fan Product Description 1. Two Blade Fan 2. Large Air Volume 3.12 Pages of Soft Wind 4. 2 Speeds 5. 30 degree Pitch Angle 6. USB Powered 7. Mute Design Features: • Double Side Fan Blades • Adjustable Wind Strength • Slight Up Pitch Angle Design • USB 5V Power Adapter & USB interface.