Acer Nitro Gaming Headset. Product type: Headset, Wearing style: Head-band, Recommended usage: Gaming. Connectivity technology: Wired. Ear coupling: Circumaural, Headphone frequency: 20 - 20000 Hz, Impedance: 21 Ω. Microphone type: Boom, Microphone direction type: Omnidirectional. Width: 200 mm, Depth: 89 mm, Height: 210 mm