Powerful Dual Dynamic Drivers for Premium Sound. A high level of sound isolation for immersive audio with extended bass response Conforms to the shape of the ear for comfortable and secure fit. The memory wire securely holds its shape so the earphones won't fall out on-stage or on-the-go The detachable gold plated connectors are designed so in the event your wire were to fray or break you need only to replace the wire vs a new pair of earbuds