G-Sound Headset Multimedia, Black. Device connectivity: Wired, Cable length: 1.8 m. Acoustic system: clip-on, Headphone frequency: 20 - 20000 Hz, Impedance: 32 Ом. Microphone frequency: 100 - 10000 Hz, Microphone sensitivity: -54 dB, Microphone input impedance: 2200 Ом. Connector(s): 2x 3.5mm