Headphones Type Open-air Dynamic Driver Diameter 40mm Frequency Response 20 – 20,000 Hz Maximum Input Power 1,300 mW Sensitivity 92 dB/mW Impedance 39 ohms Weight 225g Cable 2.0m cable for PC : 3.5mm gold-plated stereo mini plug (4 pole). 1.2m cable for Smartphone controller and mic : 3.5mm gold-plated stereo mini plug (4 pole/ L shaped) Y-type stereo headset cable Connector 3.5 mm (1/8”) mini stereo, gold-plated, L-shaped Microphone Type Condenser Microphone Sensitivity -40 dB (0dB=1V/Pa,1kHz) Microphone Frequency Response 100 – 10,000 Hz Microphone Polar Pattern Omnidirectional Accessories Included 2.0 m extension cable with two 3.5 mm (1/8”) gold-plated mini stereo plugs