V-Moda CC-FZAU-NERO 24k gold-plated, 3.5mm (1/8") stereo plug Connector In-Ear Noise-Isolating Metal Headphones Superior sound quality BLISS noise isolating (Bass Level Isolating Soft Silicone) technology reduces outside noise and enables deep bass. Sound signature features deep yet precise bass levels. Complete with warm mids and crisp highs, your listening experience will be leveled up significantly. Comfortable and stylish design Four pairs of silicone fittings (XS, S, M, L) allow for a comfortable and secure fit. Kevlar reinforced cable for ultimate durability and a light-weight ergonomic design enhance your listening pleasure. With quality materials and fashion-forward design, V-Moda Faze headphones offer user the finest in sound and style. Active Flex Ear Hooks create a secure fit for the active lifestyle. Wide compatibility 3.5mm jack offers compatibility with many audio devices including iPod, iPhone, MP3 players, computers, and gaming devices.