Combines a robust, ergonomic USB microphone, with full function, PC mouse capabilities to avoid constant switching from microphone, to mouse to keyboard Ergonomic, thumb control operation: PowerMic allows users to easily control standard diction and speech recognition functions with PC mouse functions for higher levels of dictation speed, ease of use and productivity Plug and play installation: USB connectivity with plug in installation eliminates the need for soundcard enabled PCs Advanced, accurate dictation: Unidirectional microphone, with noise cancellation ensures higher accuracy even in the noisiest environments Nuance PowerMic III Speech recognition, hand microphone, can be used with multiple programs such as Dragon Medical, Power Scribe, Dragon Legal and Professional Group and Individual Not compatible with Dragon Home 15.0