Heart rate bluetooth

Tunturi Fitness Digital Heart Rate Armband

moofit HR6 Heart Rate Monitor, HRM Fitness Tracker with Pectoral Belt, IP67 Waterproof, Bluetooth/Ant+, Compatible with iOS/Android Apps.

Smart Watch for Men Women 1.96" HD Smartwatch with Bluetooth Call,113+Sports Watch, Pedometer, Sleep Monitor, Heart Rate Monitor, IP68, Waterproof Smartwatch, for Android/iOS