“Oh, Bravo!” is the reaction to an awe-inspiring musical performance. The brand oBravo is the product of both retro and innovative ideas. Pursuing the perfect earphones is not unlike searching for a new star in the universe. We have developed the exclusive patented Air Motion Transformer and Planar Magnetic Driver microaudio drivers, which are encased in three types of sound-induction materials: acacia wood, advanced ceramics and aluminum alloy, and they are sure to meet the audio quality requirements of different music lovers.