Enjoy big, powerful bass as it courses through a vast sounds cape filled with thrilling highs and deeply resonating lows. The Sony MDR-XB60EX/GLD Extra Bass In-ear Headphone is a secret to the astonishingly amazing sound to build into the 13.5 mm driver units' technologically advanced Direct Vibe structure. Flat serrated cord discourages tangles and aggravation, all while making you look your best. Four sizes of included hybrid silicone ear buds to choose from ensure the perfect fit. Convenient carrying pouch and clip also included.