This micro audio is an all-in-one type system. This supports various sources, including CD, mobile devices, radio etc. This system was designed for the best concept to enhance the suboptimal audio sources from various devices with a minimal design, without any complex functions. As for the design, the metallic part supporting the white-colored body of speaker gives a settled image to offset the monotony. This simplicity is the best design concept to match with any other devices. Many trendy devices will change with time but this product was designed to provide the never changing “harmony” experience throughout the long life of ten or more years.