Polar Pacer - Running Smart Watch for men and women, GPS Multi Sport Watch, Gym Exercise Watch, Wrist Heart Rate Monitor, Sports Training Program & Health Recovery Tools, Sleep & Activity Tracker :
Polar Verity Sense - Bracelet with Optical Pulse Sensor - ANT+ Dual Bluetooth - Pulse Sensor for Sports with Just One Button - Compatible with Peloton, Endomondo, Zwift and Others Amazon Exclusive :