Sandberg 326-14 USB Mono Headset Saver

The Sandberg USB Mono Headset Saver connects to a USB port on your computer. The clear sound reproduction of the Sandberg USB Mono Headset Saver makes it perfect for Internet telephony. The set also features an elegant inline volume control so that you can quickly and easily adjust the volume.
Cable length: 1.5 metres
Connector: 1 x USB A Male plug
Earphone:
Driver unit: 30 mm
Frequency range: 20 Hz – 20 kHz
Impedance: 32 Ohm
Sensitivity: 105 dB
Microphone:
Direction: Uni-directional
Frequency Response: 50 Hz — 15 kHz
Impedance: 2.2 k Ohm
Sensitivity: -52dB ± 3dB