• Controls: The device features sliders for adjusting pitch, amplitude, and volume.

  • Pitch Adjustment: It has a switch to select between "LOW PITCH" and "HIGH PITCH" settings.

  • Amplification: A separate switch allows for "LOW" and "HIGH" amplification.

  • Connectivity: The device is designed to be connected to a telephone system via a coiled cord and an included adapter with RJ11 jacks.