Sonotrax Basic is a high performance model with FHR digital LCD display. Sonotrax Pro has backlight and audio playback. All these models have audio output, which can be connected with earphone or ...
Sonotrax Lite is for simple auscultation (intermittent listening). Sonotrax Basic is a high performance model with FHR digital LCD display. Sonotrax Pro has backlight and audio playback.
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