If you would like monitors that rate your heart for swimming, there are many products available that will have the ability to assist you in this field. Garmin makes the monitors possess swim-proof and able to stay waterproof to a maximum of 50...
If you would like monitors that rate your heart for swimming, there are many products available that will have the ability to assist you in this field. Garmin makes the monitors possess swim-proof and able to stay waterproof to a maximum of 50...