Corsair HS35. Product type: Headset, Microphone type: In-line, Wearing style: Neck-band. Connectivity technology: Wired. Headphone frequency: 20 - 20000 Hz, Impedance: 32 O, Headphone sensitivity: 113 dB. Microphone frequency: 100 - 10000 Hz, Microphone sensitivity: -38 dB, Microphone input impedance: 2000 O