Madison Avenue (white)Designer Headphones w/High-Fidelity Drivers, In-Line Microphone, Detachable Cable, Compact Folding Design & Bamboo Box by BiGR Audio COMFORT: Plush ear cushions covered with ultra-soft breathable materials keep you cool and comfortable READY FOR SMARTPHONES: The headphones come with a cable with built-in call answer button and microphone BiGR BAMBOO CASE: Bamboo case features beautiful design that's all natural fiber and rigid construction for enhanced protection for your headphones EARCUP MATERIAL: Leather FREQUENCY RESPONSE: 20Hz - 20KHz Connectivity technology : Wired