Stereo pc headset usb headset design over ear types closed dynamic transmission mode cable types of connection micro usb usb 20 35mm jack types of cable tangle free single sided flat cable length of cable 15 m sound mode 20 hardware type of headphones headband features padded headband in line control volume control microphone function passive noise reduction headphone impedance 50 ohm driver 44 mm number of drivers 1 microphone properties