USB Silent Fan Desk Cooler for Laptop Notebook Desktop PC Ofiice Summer Cooling Fan 4 Blades Rotatable USB Mini Fans Socket

Rotation Way : Up & Down Usage : Home Technology : Other Application : <10㎡ Power Source : USB Fan Speed : First Gear Rotary Vane Quantity : 4 Size : <1050MM Controlling Mode : Mechanical Timer Control Certification : none Material : plastic Installation : Mini Type : Cooling Only Max. Power : <20W Wind Type : Natural Wind Water-shortage Power-off Protection : No Reverse Rotating Function : No Suspender Length : No Suspender Max. Timing Limit : No Timing Air supply mode : Rotary Vane Voltage (V) : 6V Power (W) : 3W Timing Function : No Timing Remote Control Function : No Brand Name : chcyus Origin : Mainland China