Stereo pc headset design on ear transmission mode cable type of connection 2x 35mm jack type of cable single sided length of cable 18 m sound mode 20 hardware type of headphones headband features volume control headphone transmission range 20 20000 hz sensitivity 111 dbmw headphone impedance 32 ohm microphone sensitivity 56 dbmw included in delivery user manual 35mm adapter series a4tech hs