Exclusive 45 mm True Motion Drivers, each featuring a bobbin-wound OFC-7N voice coil and diaphragm with DLC (diamond-like carbon) coating, provide extremely accurate audio reproduction with extended high frequencies Midpoint Mount Technology provides a uniform space in front of and behind the diaphragm to ensure the full performance of the driver inside the limited space of the housing Acoustic resistor controls airflow inside the diaphragm housing to yield a natural sound High-rigidity aluminum housings reduce unwanted resonance Includes two 1.2 m (3.9') detachable cables (one standard, one with mic & controls) with A2DC (Audio Designed Detachable Coaxial) connectors Ultra-comfortable, soft foam earpads and headband Fold-flat, swivel design and hard carrying case for easy portability