Titanium Body - ProfessionalSound Quality - Enhanced Noise Isolation Let's cut to the chase, shall we - Theseearphones are the best you are going to find at this price, and trust us when we say you will not be compromising on anything. Need we say more? FEATURES Tuned for extreme sonic performance with our signature PEEK dynamic driver technology for a powerful& detailed sound stage Constructed from solid titanium housings for best-in-class durability Complythermal reactive ear-tips for military-grade noise isolation& fit Unique Echobox "Tangle-Free" Cable Technology for more sound with less mess Naturally hypoallergenic& sweat resistant Inline microphone for calls& music playback control