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. 2 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. high quality Oxygen-free cooper wire which is also tangle free.Greater protection from sweat and water. These Earbuds are designed to comfortably fit in-ear, No more solving wire tangle puzzle.