Garmin HRM-DUAL Heart Rate Strap In-Depth Review | DC Rainmaker
Garmin HRM 3-SS will connect/pair with forerunner 35 but will not show heart rate (see picture) - Accessories & Sensors - Running/Multisport - Garmin Forums
Heart Rate Monitor Strap Sensor Hrm3 ss HRM Run Heart Rate Module Dual Mode Bluetooth| | - AliExpress
AliExpress
Garmin HRM-Dual™ | Heart Rate Monitor with Chest Strap
Replacement Soft Strap/Chest belt for Garmin Heart Rate Monitor HRM2-SS HRM3 -SS | eBay