Usb headset stereo pc headset design on ear type dynamic transmission mode cable types of connection usb usb 20 type of cable single sided length of cable 18 m sound mode 20 hardware type of headphones headband features adjustable headband volume control function mute headphone transmission range 20 20000 hz microphone properties rotating microphone microphone frequency range 100 10000 hz microphone sensitivity 40 dbmw material plastic