BASS STEREO SURROUND SOUND: Powerful 10mm Drivers let you experience crisp highs, sturdy midrange and strong bass sound, it seems you were at a concert. NOISE ISOLATING: Soft nipple-like design fits securely in your ears, comfort is perfected by 45° oblique angles to perfectly match your ear canals. 3 pairs of different ear tips ensure a proper fit for all. LASTING DURABILITY: With aluminium alloy and housing anodize colored surface, the earphones are more corrosion-resistant and fingerprint-resistant. The cable consists of interior enameled copper wrapped around Kevlar fiber to greatly increase durability and is coated with TPE for softness and comfort. And the nylon fabric surface makes the cable tangle-free.