Sony Powerful 40mm Sound-Isolating Extra Bass Headphones With convenient In-Line iOS Remote & Mic For IPod, IPhone or IPad, Pressure Relieving Earpads For maximum Comfort, 1.2m Flat Tangle Reducing Cord With Dual folding design For Easy Travel Portability 40mm driver units for deep, powerful bass (4-24Hz) Advanced Direct Vibe structure for superior bass response Pressure relieving foam earpads for long-term comfort Dual folding design folds compact for storage Apple control headphone cable