The DUNU earbuds provide superior sound quality thanks to their precision-crafted audio components and advanced acoustic engineering.With a unique noise-canceling technology, they provide uninterrupted audio without any distractions, allowing you to enjoy your music without interruption.DUNU spurred innovation by taking driver development fully in-house, developing myriad composite, metal, and micron thickness diaphragms --- down to the 4 μm level.