Sony 30mm Super Bass Sound Isolating Premium Headphones with In-Line iOS Remote & Mic for Apple Iphone, Ipod and Ipad The Extra Bass Headphones from Sony are designed to take calls and playback audio from your compatible iOS device. They feature 30mm drivers that are capable of producing a frequency response of 5Hz to 22kHz. The headphones have Sony's Direct-Vibe Structure and pressure-relieving foam earpads that provide noise isolation and help accentuate bass response. The 1.2-meter flat cord features a serrated finished designed to reduce tangles as well as an in-line iOS remote and microphone. The earcups have a swivel-fold design, allowing for collapsible storage Made for iPod/iPhone/iPad Made for iPod, iPhone and iPad the inline remote gives you volume and track controls (Play, Stop, Next/Prior) for Apple products, while the built-in microphone makes it easy to take calls through it all Powerful Bass Specially designed, 30 mm driver units deliver deep and powerful bass that perfectly complements todays popular music genres (5-22 kHz) Direct-Vibe Structure A tightly sealed acoustic design allows for a high level of sound isolation which aides in the reproduction of powerful and extended bass sound Slim, Swivel Style Slim in stature with swivel-fold earpads, Sony headphones are lightweight when worn, yet easily stow away in a backpack or book bag when on the go