Amazon.com: Mo-Fit Heart Rate Monitor Chest Strap for Garmin, Apple, Android, Peloton, Zwift, Strava, ANT+ and Most Bluetooth 4.0 Enabled Fitness Devices : Electronics
Amazon.com: Garmin Forerunner 405 Wireless GPS-Enabled Sport Watch with USB ANT Stick and Heart Rate Monitor (Black) (Discontinued by Manufacturer) : Electronics