SUPERIOR HIFI STEREO SOUND: With enhance the sound quality and exterior again the hybrid technology, special armature dynamic driver and noise cancellation technology, Famedy in ear monitors provide the perfect HD and low bass sound effect and giving you the best music listening experience. STABLE AND COMFORTABLE FIT: An ergonomic design with 3 different sizes of silicone ear buds ensures the optimum fit for your ears. The wrap around ear hook design gives a secure fit making it perfect companion for running, jogging or the gym. DETACHABLE CABLE with MMCX CONNECTOR:The detachable MMCX connectors make cable replacement and upgrade easily. You can change cables for HD music use, hands free calls or wireless bluetooth use. Any cable with MMCX connections will work! Other function cables need to be bought separately. IPX 5 SWEAT & WATERPROOF: IPX5 waterproof shell and interior Nano-coating technology protect the headphones effectively from light rain or sweat even in rainy days. Perfect for running, jogging, hiking, yoga, exercises, gym, fitness, traveling and etc. UNIVERSAL COMPATIBILITY: With the stylish design and high-end sound quality ,this earphones are designed for the latest generations of iPod, iPhone, and iPad. They work with all Androids, tablets, mp3 players, and related devices with a standard 3.5 mm jack . WARRANTY: We provide free Replacement or Full Refund without return for any quality issues within 12 months, if you have any problems, don’t hesitate to contact us.