beyerdynamic MMX 102 iE In-Ear Headphones Black/Silver Impressive sound due to neodymium HD acoustic drivers. Connectivity Technology: Wired Powerful and precise bass response Remote control with high-quality hands-free microphone Compatible with all portable devices, and smart phones with mini jack socket (3.5 mm) Supplied with 3 pairs of ear tips in different sizes, cable clip, VoIP adapter and case with a quick acting closure