Headphones Type Open-back dynamic Driver Diameter 45 mm Frequency Response 10 to 35,000 Hz Sensitivity 98 dB/mW Impedance 45 ohms Weight (without cable) Approx. 220 g (7.8 oz) / Approx. 227 g (8.0 oz) (including detachable microphone) Cable – Detachable Detachable cable (1.2 m (3.9’)/3.5 mm (1/8”) gold-plated stereo mini-plug/4 pole); Detachable cable for PC (3.0 m (9.8’)/3.5 mm (1/8”) gold-plated stereo mini-plug/3 pole x2) Microphone Type Electret condenser Microphone Sensitivity -43 dB (1 V/Pa, at 1 kHz) Microphone Frequency Response 30 to 20,000 Hz Microphone Polar Pattern Hypercardioid Accessories Included Detachable microphone with windscreen, detachable cable (1.2 m (3.9’)/3.5 mm (1/8”) gold-plated stereo mini-plug/4 pole), detachable cable for PC (3.0 m (9.8’)/3.5 mm (1/8”) gold-plated stereo mini-plug/3 pole x2)