The HR40 is a chest strap with ANT+ and Bluetooth connectivity. Thanks to its ECG (electrocardiogram) technology, this monitor provides accurate heart rate data. It is waterproof and can be used on rainy days as well as during intense activities.
The strap is equipped with a built ...The HR40 is a chest strap with ANT+ and Bluetooth connectivity. Thanks to its ECG (electrocardiogram) technology, this monitor provides accurate heart rate data. It is waterproof and can be used on rainy days as well as during intense activities.
The strap is equipped with a built-in CR2032 button cell battery, offering up to 340 hours of battery life. The HR40 supports nearly all heart rate receiving devices and enables wireless transmission of heart rate data to compatible mobile apps, chronographs, and wristwatches.