Dual Drivers Design--- 2pcs dynamic drivers in each channel , total 4pcs drivers inside. Provide deep thick strong and smooth sound . A high level of sound isolation for immersive audio with extended bass response Detachable Cable Design--- High quality gold-plated MMCX connector between ear head and cable. so in the event cable were to fray or break, you need only to replace the cable or a new pair of ear heads. Universal in-line remote compatible with iOS and Android phones. Calling -- answer / end; Music --- play / pause / next track / back track

DUAL DYNAMIC DRIVERS: Powerful Dual Dynamic Drivers for Premium Sound. A high level of sound isolation for immersive audio with extended bass response, they deliver an extremely accurate listening experience with unsurpassed dynamic power and clarity from deep bass to sizzling highs STEREO SOUND: Sound Isolating Earphones Metal Housing Headphone with Strong bass-driven stereo sound NOISE CANCELLING: Noise isolation design to immerse you in music, Passive Noise provides good listening experience and clear calling