FITCENT Heart Rate Monitor Chest Replacement Strap Compatible with Polar H10 H9 H7, Adjustable Soft HR Belt Work for Polar Heart Rate Sensor

FITCENT Heart Rate Monitor Chest Replacement Strap Compatible with Polar H10 H9 H7, Adjustable Soft HR Belt Work for Polar Heart Rate Sensor

Polar Heart Rate Monitors - ANT +, Bluetooth - Waterproof HR Sensor with Chest Strap - Built-in memory, Software updates - Works with Fitness apps, Cycling computers, Sports and Smart watches