Helmfon – a unique device which fully blocks office noise Helmfon is a device in a form of helmet, which thanks to the system of active sound absorption allows to concentrate in open working spaces. Because of the special absorption features, this helmet fully reflects the outside sound waves and thus makes the process of working comfortable, with no outside noise. In addition to it, the helmet blocks the Helmfon noise to outside surroundings and thus people, who sit near the Helmfon user don’t experience any discomfort of hearing unimportant sounds. Our main idea was to create a tool, which helps fully concentrate on working project, get some personal space and doesn’t allow office noise kill person’s productiveness. Bold colors of Helmfon production line allow to make the office look fun and standing out. Moreover, we offer an option to customize Helmfon. The main materials are: nitro paint, outside case – glass fiber, inside- membrane cloth with foamed polyethylene stuff. Helmfon is equipped with system board, microphone, speakers, accumulator, magnifier and special inside place for the smartphone. Thus it allows to watch movies and videos, organize Skype conferences, answer or make calls, watch or edit photos or add some personal functions.