With the ability to control this USB powered air cooler with your smartphone, enjoy refreshing coolness just the way you want. Powered by USB – simply add water then plug into a computer or power bank to get started! Adjust the humidity and more with the Evapolar app Sits conveniently on any desk and is easy to transport around Environmentally friendly – consumes only 12W of electricity Welcome to the future. The evaSMART USB Personal Air Cooler by Evapolar is an intelligent air cooler that’s powered by USB – plug it into your computer, laptop or even a power bank and set it up wherever you wish! Controlled with your smartphone Use the Evapolar app on your smartphone to control the evaSMART over Wi-Fi. Change the humidity level, fan speed and even the colour of the built-in LED lighting to match your mood. Create your own microclimate zone evaSMART allows you to shape the environment to your needs by cooling and humidifying the air with simple application control that makes Evapolar a natural fit for your office and home environments. You can change the humidity level and adjust the fan speed any time you want. Managing colour playlists will make your experience even more exciting. Innovative EvaBreeze material inside. Evaporative cooling is a natural way of air-conditioning, that is why Evapolar devices do not contain any hazardous liquids like Freon, which makes them absolutely safe for children and pets. Compared to cellulose-based materials EvaBreeze cartridge pads are based on natural inorganic nano-fibers, which do not contain any nutritious elements leading to bacteria and mold growth. Eco-friendly Evapolar filters are made of a mineral compound that does not harm the environment and is 100% biodegradable.