Picked up a CooSpo chest heart rate monitor, connected it to my Apple Watch and did a strength training session to compare how my Charge 4 would do. I'm really surprised by
Review: Coospo BC107 GPS Bike Computer | road.cc
Outdoor & Indoor Cycling and Running Training Products – COOSPO
Outdoor & Indoor Cycling and Running Training Products – COOSPO
COOSPO HW807 Heart Rate Monitor Armband HRV Bluetooth5.0 ANT+, Optical Armband Heart Rate Monitor with Training Zone Alert, Compatible with Strava/ Wahoo/ Zwift/ Elite hrv/ Peloton app/ Rouvy and More | BargainFox.com
Coospo H808s Heart Rate Sensor Dual Mode Ant Bluetooth With Chest Strap Cycling Computer Bike Wahoo Garmin Zwift Sports Monitor - Outdoor Fitness Equipment - AliExpress
H6 Chest Strap Heart Rate Monitor – COOSPO
Outdoor & Indoor Cycling and Running Training Products – COOSPO