Cooler Master MasterPulse Over-Ear Headphones (MH-752), Headphone Driver Diameter 40mm, Headphone Frequency Response 20-20,000hz, Headphone Impedance 26ω, Headphone Sensitivities (@1khz) , Headphone Cable Length 1.5m 3.5mm Connector (Removable), 1.5m USB Cable (Removable), Headphone Connector 3.5mm 4-Pole Jack, USB Type A, Headband Material Steel and Plastic Headband, Pu Leather and Foam Cushion, Headphone Ear Cushion Material Pu Leather and Foam Cushion, Microphone Pick-Up Pattern Omni-Directional, Microphone Frequency Response 100-10,000hz, Microphone Sensitivities (@ 1khz), Microphone Type Detachable Flexible Microphone, Volume Control Up/Down Buttons (Control Box), Microphone Control Up/Down Buttons, Control Box - Microphone Control Mute Switch, Virtual 7.1 Surround Sound On/Off Button with Indicative Led, Physical Dimensions (L X W X H) 149 x 85 x 215mm, Physical Weight 340g