Oxygen is essential for life on earth. It enables metabolism. It reduces stress. It flushes all the toxins out of human body. But now, oxygen is a luxury for urban life. Living in a city where population and high-rise buildings are often dense, our human body originated million of years ago is no longer able to cope with the side effects of urbanization. Everyday we are forced to breathe polluted air with dust particles and toxic gases which can pose long-term harms to human body. We have one solution: O2U. With innovative technology from Germany, O2U filters pollutants and harmful substances in order to create layers of fresh and pure air. Our resolution is simple: to bring oxygen to you (O2U).