AKG K323xs Ultra Compact In-ear Headphones with In-line Microphone Remote Cable Compatible with Apple Ios and Android Devices (white) The AKG K323 XS in-ear headphones are as portable and sleek as they come, Pop them in and treat yourself: The XS produces huge sound marked with prominent bass,supportive mids,and very healthy highs. Hard to believe AKG could deliver the quality of sound and connectivity you've come to expect in such an ultra-small model. Specially-selected 5.8mm drivers deliver precision sound with the sound quality properties AKG has made famous The K323 XS's are so' invisible' and so lightweight,you're unlikely to ever remove them-if you even remember they're still on. They'll travel everywhere you go The K323XS's secret is found in its innovative ear-tip technology and to the four sizes of ear sleeves they come with,Made from two materials,they are designed to maximize the fit between the headphone and your ear