Stereo pc headset design on ear types dynamic closed transmission mode cable type of connection 35mm jack type of cable single sided length of cable 3 m sound mode 20 hardware type of headphones headband features in line control volume control passive noise cancellation function mute headphone transmission range 18 28000 hz sensitivity 112 dbmw headphone impedance 32 ohm driver 50 mm microphone properties removable microphone uni directio