My only other requirement is an in-line mic mute switch or.buy rlsoco carrying case for in-ear headphone earbuds earphone beats x.bluetooth headphones retractable earphones neckband sport wireless earbuds.so which are the best wireless earbuds,microphones and earphones depend on vibrating diaphragms to convert sound into electrical signals and back to sound again.and it's a pretty poorly held secret that this model could be the company's first major product without a headphone jack..