Affordable alternative for the iWorx TA 220 as a last hope for products from www.openbci.com to use it for www.petergamma.org?

One of best devices for meditators is the Garmin Fenix 6 It shows resting heart rate and respiration rate. These two parameters belong the most important tools for meditators like Peter Gamma from www.petergamma.org. And Peter is very negative about Rob ter Horst and his scientific reviews about smartwatches: Does Rob ter Horst not make …