1 Suitable for USB interface computers and notebook devices 2 The large skin friendly earmuffs are breathable and not stuffy soft and comfortable to wear 3 Thickened high quality copper wire faster transmission plus a tensile protective layer easy to clean 4 Speaker size 50mm5 Impedance 15 Ohm6 Sensitivity 102 2db7 Frequency range 20Hz 20KHz8 Microphone sensitivity 38 3dB9 Microphone impedance 2 2k Ohm10 Directionality omnidirectional11 Cable length 2m12 LED working voltage DC 5V13 Working current 180mA14 Headphone jack USB 3 5mm
