Logitech H650e USB Headset Stereo / 981-000519

Quick overview from the supplier:

Logitech USB Headset H650e Dual, Bi-directional ECM noise-canceling mic Freq. resp: 100 Hz - 10 KHz Sensitivity: -45 dB +/- 3 dB, 2.5m cable, 981-000519 (casti cu microfon/наушники с микрофоном)