... consumption usb fan with light weight 1. With child-safe blades made from a dense but pliable foam2. High-speed, USB bus powered, runs ... by 3 AAA batteries 3. Lower running voltage and current, power just 2.25W, energy saving4. USB plug ... control switch, up and down is adjustable6. Use PVC material, Light weight 7. Small volume, easy to carry, and place8. Different ...