Razer Barracuda X 7.1 Surround Sound Multi-Platform Wireless Gaming Headset – Frequency Response: 20Hz – 20kHz – Impedance: 32? (1kHz) – Sensitivity: 96dBSPL/mW@1KHz by HATS – Driver Size: 40mm – Driver Type: Razer TriForce – Earcups: Oval FlowKnit Ear Cushions – Passive Noise Cancellation – Connection: USB-C, Wireless 2.4GHz, 3.5mm – Detachable Unidirectional Microphone – Microphone Frequency Response: 100Hz – 10kHz – Battery Life: 20hrs – RZ04-03800100 – 2 Years Limited Warranty