Ever felt a cold coming on but know that you must still go to work? Have you ever been in an office space with very dry air? The Desk Humidifier is the answer to these problems. The humidifier produces a mist to replenish moisture in dry areas and connects directly to any USB port. Working voltage is DC5V. 3.5" H x 3.75" W x 3.75" L. Imprint Area = 1.00" H x 1.00" L on Buttons BackCentered on Upper Panel Opposite Side of Buttons. Pricing includes a one colour imprint unless otherwise noted. Please call for multiple colour or location imprint. Please inquire regarding rush service availability.