Enjoy superior listening with Shure AONIC 215 Sound Isolating Earphones. The AONIC 215 earphones have an array of features that make them stand out. Being the smallest earphone in the AONIC line, they come with a dual dynamic driver offering a complete audio experience at all frequencies with low distortion. Power-packed with theMicro Driver' technology, it can reproduce sound precisely within the frequency range of 22Hz-17.5kHz, so that you do not miss a beat. It also blocks external noise up to 37 dB, providing an immersive listening experience with better sound quality in comparison to other earphones within its category. They also come with a removable 3.5 mm cord with an inline remote and mic to offer more control over volume adjustments.