Two-Blade Design: The fan goes through the innovative 10-axis flow, 3D curved inner concave blades and a grid design. Forming a spiral air outlet, the wind can reach 36 km / h. Power output is strong and windy. It simulates the natural wind. The wind is strong and quiet. Strong Heat Dissipation: The fan is made of high quality ABS and silica gel material which provides fast heat dissipation, brushless motor of high quality and noise reduction duct, which can quickly reduce the heat of mobile phones, computers and other machines. Free Switching Mode: Double wind wheel and single wind wheel modes wind can be switched freely, and the single and double wheel modes have three wind speeds. With a button to control the three-speed wind, the wind speed can meet your various needs and bring you a different experience. 360 Degree Rotation: The mini fan can rotate freely from 360 degrees. The air circulates in a wide area, allowing you to enjoy the coolness from all angles and adjust it with a gentle twist. The non-slip base is also designed to make the operation of the fan more stable. Product Description Double Fan 1. Short press the button to open dual wheel mode, long press the switch to switch between single wheel mode and dual wheel mode. 2. Three-speed wind speed is adjustable: Single wind wheel: 0.4A / 2W wind speed; second gear wind 0.6A/3W; third gear wind 0.7A/3.5W Double wind wheel: first gear wind 0.8A/4W, second gear wind 1.1A/5.5W, third gear wind 1.4A / 7W MaterialABS+Silicone Product size11.5*4.6*23CM Single net weight / gross weight292g / 337g Input voltage5V 1A Working current0.4-1.6A Power consumption2-7W