V-MODA Crossfade LP2 Vocal Limited Edition Over-Ear Noise-Isolating Metal Headphone - Matte Black 50mm Dual-Diaphragm Drivers - inner & outer rings deliver vibrant bass, vivid mids & vivacious highs without overlap.Connectivity Technology: Wired Passive Noise Isolation - cuts out noise. To relieve the pressure, you can stretch the headband by bending it outwards (placing hands on the ends of the headband - not the ear cups). You may repeat this process until you're happy with a looser fit. You can also bend the headband inwards to make a tighter fit No Batteries or Processing - powerful clarity without two extra digital-to-analog conversions - toxins that pollute your music Obsessive Quality Control - &lt;2dB variance for strict sound consistency compared to most brands Kevlar-reinforced Cable - 1+ million bends for cables & 45 degree strain relief (100x industry standard)