The VST technology, thanks to its simplicity and ease of use, is applicable to many types of products.

Safety and stress monitoring in the workplace.

Easy transmission of parameter data to other software platforms

Continuously tracking parameters of athletes’ performances.


This product comes from scientific research. In a simple and fast way, it allows you to accurately record physiological signals from which your vital parameters are derived by our patented and certified class IIa medical device algorithm (n.0068/QPZ-DM/184-2020).

ButterfLife: Nine tools in a single object that manages to monitor and extract vital information on your state of health from your hands, in a simple, fast and unobtrusive way, by acquiring the following signals,

  • ELECTROCARDIOGRAM (black track)
  • PHOTOPLETISMOGRAM (blue track)

and determining the following vital parameters,

  • Blood pressure (systolic and diastolic)
  • Respiratory Rate
  • Heart Rate
  • Blood Oxygenation
  • Body Temperature
  • Variability of Heart Rate
    • In the Time Domain – SDNN
    • In the Frequency Domain – LF / HF

Three things to know

Monitoring vital parameters before and after physical activity can enhance individual performance, safely within your personal boundaries.


All reports have been verified and validated with certified instruments for hospital use.


Time is of the essence and ButterfLife measures all five vital signals in only 2.5 minutes!


  • Blood pressure monitoring without the cuff
  • Breath measurements
  • real-time visualization of data
  • simplicity of use
  • continuous measurements

How it works

Vital signals in a touch: at hand contact 5 vital parameters are revealed.

Thanks to this patented technology, the electrocardiography and photopletysmography signals are able to provide 5 vital parameters (heart rate, respiration rate, blood oxygenation, arterial pressure and body temperature), with a carefully calibrated mathematical model. The only information required if the subject’s height, weight and sex.

Vital Signals in a Touch

VST srl spin-off di UNIMORE

VST srl is a spin-off of UNIMORE. An innovative start up, created from the laboratory of the Department of Life Sciences of the University of Modena and Reggio Emilia in May 2017.

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