NOCS NS400-201 Earphones with Remote and Mic The titanium coated dynamic speaker is designed for the best possible listening experience. The headphones deliver a clear and powerful sound throughout the entire sonic spectrum, backed by natural bass. Extremely durable and exclusive machined titanium housings and tangle-free Kevlar reinforced cables. Noise-Isolating Headset with 3 button Apple Control. MEMS silicon microphone removing GSM/TDMA burst noise. Picks up your speech 360 degrees.