Fitbit Blaze Smartwatch Heart Rate Sensor Monitor HR PCB Board - Parts
Genuine Fitbit Blaze heart rate sensor. This sensor has been pulled from a working Fitbit Blaze watch. If your heart rate has failed this part will help get your watch up and going again.
Fits Model: FB502
How to Repair Videos -
You can also send your Fitbit to JoesGE for repair.