Shure SE530 Sound Isolating Earphones 3' extension cable; 9" cable; premium carrying case; volume control; " adapter; airline adapter Premium Fit Kit including a selection of interchangeable sleeves for personalized, comfortable fit Triple TruAcoustic MicroSpeakers: Dedicated Tweeter and Dual Woofers Triple speakers for sound that rivals live performance Sound Isolation Technology reduces background noise better than noise-cancelling headphones, without batteries or added hiss Triple speakers for sound that rivals live performance Triple TruAcoustic MicroSpeakers: Dedicated Tweeter and Dual Woofers Sound Isolation Technology reduces background noise better than noise-cancelling headphones, without batteries or added hiss Premium Fit Kit including a selection of interchangeable sleeves for personalized, comfortable fit 3' extension cable; 9" cable; premium carrying case; volume control; " adapter; airline adapter Modular Cable Design lets users choose different cable lengths to suit different music player locations (armband, pocket etc.)