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Mountain Precision Nuvois Electronic Larynx Spare Speech Aid Device is a spare or replacement electronic device for the NuVois. It is lightweight with analog frequency and has gray PVC casing. It is compatible with NuVois I and NuVois III models.

Mountain Precision NuVois I Electronic Larynx is an electronic assisted speech aid device with manual control of voice pitch and volume. Pitch adjusts externally with a small plastic screwdriver. It is easy to operate with a single button control giving immediate results with volume and pitch control for extra refinement.

Mountain Precision NuVois III Digital is an electro-larynge speech aid with state of the art electronics. A programmable electronic circuit allows for full digital control of all functions. The unit features volume and tone or pitch buttons for easy adjustability, allowing the user to add inflection to their speaking voice for emphasis and a more natural sounding voice. This model uses less current draw for longer lasting batteries.