Product Number MH-650 Headphone Driver Diameter 50mm Headphone Frequency Response 20-20,000Hz Headphone Impedance 32Ω Headphone Sensitivities (@1KHz) 107 dB ± 3 dB Headphone Input Maximum 80mW Headphone Cable Length 2.2m USB cable Headband Material Steel and Plastic Headband, Mesh Fabric and Foam Cushion Headphone Ear Cushion Material Mesh Fabric and Foam Cushion Microphone Pick-up Pattern Omni-Directional Microphone Frequency Response 50 – 18,000Hz Microphone Sensitivities -40 ± 3dB (@ 1KHz) Microphone Signal to Noise Ratio 50 dB or more Microphone Type Detachable Flexible Microphone Volume Control Up/Down Buttons (on Headset Control) Microphone Control Mute Switch Virtual 7.1 Surround Sound ON/OFF Switch Button Power Mode Control ON/OFF Switch Button Dimensions (L x W x H) 192 x 85.5 x 191.5 mm / 7.59 x 3.37 x 7.54 inches Weight 322.5g / 0.71lbs (Inclusion Cable), 282g / 0.62 lbs (Without Cable)