Corsair HS70 Wired Gaming Headset with Bluetooth

Corsair HS70 Bluetooth. Product type: Headset, Wearing style: Head-band, Recommended usage: Gaming. Connectivity technology: Wired & Wireless, USB connector: USB Type-C. Ear coupling: Circumaural, Headphone frequency: 20 - 20000 Hz, Headphone sensitivity: 109 dB. Microphone type: Boom, Microphone frequency: 100 - 10000 Hz, Microphone sensitivity: -40 dB. Battery type: Built-in battery, Battery life (max): 30 h