The Oxygen is a clean sounding iem that is able to provide defined bass, warm midrange and controlled treble. The soundstage has great width and depth which gives rise to an open feeling. There is good details retrieval. In addition, the Oxygen has stainless steel shells with a sleek design. The Tanchjim Oxygen is highly musical and it is able to provide a relaxing yet emotional listen. As its name suggests, music is like oxygen.