moofit HR8 Heart Rate Monitor Chest Strap, Low Energy Real-Time Heart Rate Data Bluetooth 5.0/ANT+, Longer Communication Range, IP67 Waterproof, Compatible with iOS/Android Apps, Gym Equipment,Black : Amazon.co.uk: Sports & Outdoors
Garmin FR60 Replacement Heart Rate Chest Strap for Forerunner 405, Black : Amazon.co.uk: Sports & Outdoors
Professional finger Pulse Oximeter, handheld finger heart rate monitor, color display and pulse rate (PR) and oxygen saturation (SpO2) readings : Amazon.co.uk: Health & Personal Care
Scosche Rhythm+ 2.0 Heart Rate Armband Monitor with Dual Band Radio ANT+ and Bluetooth Smart (Black) : Amazon.co.uk: Sports & Outdoors
Zeerkeer Fitness Tracker, IP68 Waterproof Activity Tracker Heart Rate Monitor ECG+ PPG Fitness Watch with Step Counter and Sleep Monitor, Color Screen Smart Bracelet for Women Men: Amazon.co.uk: Fashion
LLKBOHA Smart Watch for Men Women - 1.85" Touch Screen Smart Watches with Call Function,111+ Sports Modes with IP68 Waterproof,Smartwatch with Heart Rate/SpO2/Sleep Monitor for Android iPhone: Amazon.co.uk: Electronics & Photo
Cardiosport TP5D Heart Rate Monitor Dual Bluetooth & ANT+ with Super Soft Chest Strap : Amazon.co.uk: Sports & Outdoors
COOSPO HW807 Armband Heart Rate Monitor, Bluetooth 5.0 & ANT+ Dual HRM with HR Zone Heart Rate Variability, Optical HR Sensor with IP67 for Peloton Strava Zwift DDP Yoga : Amazon.co.uk: Sports
Polar H10 Heart Rate Monitor for Men and Women – ANT +, Bluetooth, ECG/EKG - Waterproof HR Sensor with Chest Strap : Amazon.co.uk: Sports & Outdoors