Corsair HS70 PRO. Product type: Headset, Wearing style: Head-band, Recommended usage: Gaming. Connectivity technology: Wireless, Frequency band: 2.4 GHz, Wireless range: 12 m. Ear coupling: Circumaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32000 Ω. Microphone frequency: 100 - 10000 Hz, Microphone sensitivity: -40 dB, Microphone input impedance: 2000 Ω. Control type: Buttons,Rotary