EasyAcc 4 Inch USB Fan Mini Desktop Fan Metal Blades Cooling Fan Personal Portable Fan with 360 Rotation and Adjustable Angle for Laptop Notebook Tablet PC - Black Multifunctional Fan --- With compact size and metal material, suitable for office desktop, used as personal fan to keep yourself cool, or used as the radiator to keep computer cool. Broad Compatibility --- Powered by a 1.2 meter USB cable, it works with laptops, computers, power banks and other USB-enabled devices. Adjustable Angle --- The fan is able to swivel forward and backward. Just adjust the angle to suit your position freely. Reliable Quality --- Metal frame holds tightly around. Aluminum blades are lightweight yet more durable than others, and it wont deform over time yet cost less energy. Cools Your Summer --- At a portable size, it brings you a right amount of breeze that cools your summer.