The Arctic Sound E461-BM earphones are designed with sound clarity in mind. The Arctic Sound E461-BM's Neodymium magnet driver ensures rich frequency response and sound precision from a small package. An in-line control and microphone allows for easy access compatibility when the E461-BM earphones are used with an iPhone or other Apple devices. For flexible comfort, the Arctic Sound E461-BM also comes with six pairs of silicone caps of various sizes and shapes to ensure the right fit depending on the individual.