Stereo pc headset design over ear type closed transmission mode cable type of connection 2x 35mm jack type of cable single sided length of cable 25 m sound mode 20 hardware type of headphones headband features control via headset volume control adjustable headband headphone transmission range 20 20000 hz sensitivity 99 dbmw headphone impedance 32 ohm driver 40 mm number of drivers 1 number of microphones 1 microphone frequency range 100