Logitech 960 USB Computer Headset. Product type: Headset, Wearing style: Head-band, Recommended usage: Calls/Music. Connectivity technology: Wired. Ear coupling: Supraaural, Headphone frequency: 100 - 10000 Hz, Headphone sensitivity: 111 dB. Microphone type: Boom, Microphone frequency: 200 - 6000 Hz, Microphone sensitivity: -42 dB. Width: 545 mm, Depth: 54 mm, Height: 200 mm