Headset specs: Frequency: 20Hz- 20000Hz Sensitivity: 100dB +/- 5 Impedance: 32Ω +/-5 Max power: 20mW Speaker size: φ40mm Cable length : 2,2m Connectors : mic and audio jack 3.5mm Compatible with P4 Adaptor 1x 3,5mm F to 2x 3,5mm M Mic specs: Frequency: 20-16KHz Sensitivity: 38dB +/- 2 Impedance: 2.2KΩ