Stay cool in the office and at home with the executive desktop usb fan with a fan speed of 2300prm this powerful yet quiet fan features a tilt feature that allows you to control the direction of your cooling air and so ensuring that you remain cool and comfortable all day long simply plug into any usb port and be blown away by this deceptively potent machine lr features executive desktop usb fan in black connects to any usb port fan speed 2300rpm rated at 21w 5v 420ma measur