User Manual of Product 1:
Garmin 010-02638-10 Forerunner® 955, GPS Running
Smartwatch, Tailored to Triathletes, Long-Lasting Battery, Black
User Manual of Product 2:
Garmin 010-13118-00 HRM-Pro Plus, Premium Chest Strap
Heart Rate Monitor, Captures Running Dynamics, Transmits
via ANT+ and BLE