Amazon.com : Powr Labs Bluetooth Heart Rate Monitor Chest Strap, Heart Rate Monitor with Chest Strap | ANT+ Heart Rate Monitor, HRV Monitor Heart Monitor HRM Works with Strava Garmin Wahoo Polar
Heart rate chart (widget) | Garmin Connect IQ
Garmin HRM 3-SS will connect/pair with forerunner 35 but will not show heart rate (see picture) - Accessories & Sensors - Running/Multisport - Garmin Forums