Nuance Analogue Monaural USB Headset

The Dragon USB headset delivers superior audio input for use with Dragon NaturallySpeaking. A noise-cancelling microphone enhances speech accuracy while the USB-enhanced digital sound ensures consistent audio quality every time. The adjustable single earphone design fits left- or right-side and lets you tune into your PC while remaining in touch with your surroundings.

Decibel for this headset is 105 DB +/- 5 DB (decibel)