DUAL DRIVER DESIGN: Experience crystal-clear music and calls with these earphones' two drivers (8mm,5mm) - one for bass, one for treble and ultra-clear mid-tones separately. DEEP BASS and INLINE MULTI-FUNCTION: Energetic sound with HEAVY BASS keeps you motivated and INLINE Microphone and remote for easy switching between calls and music. SPORTS USE: Sweat resistant design for increased durability, ideal for Running, Gym and other Sports use.

[TRUE HD HI-FI SOUND] : Using latest Bluetooth 4.1 technology and state of the art acoustic components which produce incredible sound quality with deep bass and crystal clear sound. [COMFORTABLE FIT WITH IPX WATER RESISTANCE] : RayCon E17s feature Ergonomically designed flexible ear buds with gel flex silicone earbuds to ensure your headphones stay comfortably firm in place to guarantee fatigue free ears and tangle free comfort. [AMAZING BATTERY LIFE] : With new and improved lithium polymer battery allows seamless enjoyment of music for up to 8 hours and 240 hours stand-by with a quick charge of only 1.5 hours.