Meet the Evapolar 2: a compact app-enabled evaporative cooler that also humidifies and cleans the air you breathe. Just add enough water, and the unit will be able to keep you cool at your desk. Evapolar 2 also filters out dust particles. It works with Google Home, Amazon Alexa, and Apple Home Kit.
This air cooler consumes only 10W of power. It works on a USB power supply. You will be able to control its features from a smartphone.[where to get it]