Wired USB microphone, standard model with push button and trackball Trackball with improved functionality. Push button model for speech recognition, Dragon preset button assignment (Windows) Smooth UV coating and silent keys to minimize annoying contact noise 2 microphone systems for recording in noisy environments Capture your Voice without Unwanted NoiseThe power to deliver exceptional accuracy and EHR/PACS integrationCreate clean, accurate verbal notes efficiently with the Olympus RecMic II. This series of desktop dictation microphones combines advanced technologies in an innovative noise canceling system ideal for noisy environments.Intelligent dual microphones control the directionality to keep the focus on the person dictating, and suppress non-voice noise eliminating anything outside the human frequency range. In addition, a triple-layer studio-quality filter blocks traditionally problematic sounds including breath noise. The RecMic II microphones retain accurate spoken audio without any distortion while suppressing unwanted noise, and make desktop dictation easy.Best-in-class noise canceling capabilities cover any environment with superior accuracyAccurate & Clear Speech Recognition in a Noisy EnvironmentDual microphone technology creates narrow directionality that focuses on the acoustics in front of the microphone and suppresses unwanted noise from the sides and back.Professional Studio-Quality FilteringThe triple-layer pop filter uses the same technology found in professional studio recording microphones to block unwanted but difficult-to-eliminate sounds such as breath and wind vibrations. The housing and buttons on every RecMic II are made of antimicrob