Descriptioin:Noise Isolating: Adopted noise Isolating technology, guarantees HI-FI STEREO SOUND QUALITY and provides steady signal and support stereo loss less music. Comfortable Premium Mental In-ear design gives you high performance sound quality with super dynamic deep bass, high resolution treble & crisp powerful sound. Advanced noise isolation technology provides total immersion in your audio. ERGONOMIC Design: This ERGONOMIC design provides superior ambient noise isolation for an even better audio experience. Lightweight and water-proof make it perfect to keep moving during daily workouts, also you can use this earphone at home when gaming, listening music. Sweatproof Design: Make every drop of sweat count without the fear of damaging your headset.The earphone is sweatproof,but can not use for swimming. High Compatibility: Compatibility for Samsung, for Xiaomi, for iPhone and other smartphones with a 3.5 mm audio jack.