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. Complies with Prop 65. 3.5" H x 3.75" W x 3.75" L. Imprint area is 1.00" H x 1.00" L on Buttons BackCentered on Upper Panel Opposite Side of Buttons. Please call for rush delivery availability or multi-colour/multi-location imprints.