Microphone: Impedance: low Cable length: 1.8 m +/- 3 % Frequency: 20–16 kHz Sensitivity: -62 dB +/- 3 dB Headphones: Impedance: 32 Ohms / 1 kHz Frequency: 20–20 kHz Sensitivity: 101 dB +/- 4 dB Cable length: 1.8 m +/- 3 % NOTE: BRAND NEW in box!!