V-MODA Zn In-Ear Modern Audiophile Headphones with 1 Button Remote and Microphone Newly developed, outstanding dynamic 8mm driver boosts tonal accuracy with very low distortion, all "hand-tuned" to complement the human hearing limit variance (+/- 2dB) Precision zinc alloy metal housing, casted by a patented process, allows for a unique design and microscopic precision necessary to deliver stress free, consistent acoustic quality Patented Active Flex sport ear hooks for best stability and fit no matter what duty calls make Zn the perfect companions for the mobile, modern audiophile Built-in 1-Button Remote Mic specially tuned for phone calls and voice recognition, universally compatible with all smartphones, tablets, new laptops and optimized for Android devices Tangle-free Diamondback cable is the perfect match between style and extreme durability being 20x stronger than industry standard