Engineered for women, the CX 281 delivers slamming bass with a custom fit that feels and looks natural with any style. Each headphone features a totally unique gold accent design that is different from every other CX 281. These ear-canal, noise-isolating 'phones use a dynamic speaker for deep, tight bass. If you need to travel light, they include a carrying case that will hold the headphones in addition to the latest generation of iPod Nano media players. Even better, you can keep the player in your pocket and still control playback volume with the included in-line adjuster. Total control.