Comix Mini Personal Desktop Fan, 4", Metal Design, Quiet Operation, Air Radiator for Laptop,USB Cable Powered, Perfect for Office/Home/School, Black (L602) Tilt adjustable head allows you to focus air flow where you need it, easy of use, steady operation, reliable and fast work 4" metal blade diameter, measures approximately 5.6 in x 5.6 in x 3.5 in, 4 ft long power cord 1 speed setting, input: 5V - 500mA, Power: 2.5W, Fan Speed: 2000RPM Metal front and rear grids Perfect for the office, home, dorm, study, library, games room