How reliable is the SPo2 readings on the Galaxy Watch 4. I'm surprised to see it this low. Can cold environments cause stuff like this? : r/ GalaxyWatch
Samsung Galaxy Watch Active 2 review: Fitness still needs work
Amazon.com: SAMSUNG Galaxy Watch Active 2 (40mm, GPS, Bluetooth) Smart Watch with Advanced Health Monitoring, Fitness Tracking, and Long Lasting Battery, Aqua Black (US Version) : Electronics