Usb headset stereo pc headset design on ear type closed transmission mode cable types of connection usb 20 usb 11 type of cable single sided length of cable 2 m sound mode 20 hardware type of headphones headband features intergrated sound card volume control function mute headphone transmission range 10 27000 hz sensitivity 102 dbmw headphone impedance 50 ohm microphone properties noise cancelling microphone microphone frequency range 50