EmWave Pro by HeartMath.
neurofeedback / biofeedback device.
Bought in 2023. Used a handful of times.
Contains registration number.
This is the professional version for PC which enables you to use as a practitioner / trainer.
More in on HeartMath site
$695 AUD new.
Can post worldwide.
Emwave pro is a scientifically validated heart rhythm monitoring system designed to help users observe and improve the synchronisation of their autonomic nervous system, known as coherence. It provides feedback on heart rhythm patterns allowing individuals to understand how stress and emotions affect their physiological state. The system assist users in learning techniques to create an optimal state where the heart mind and emotions operate instinct and balanced.