Answering ur ? to my blog....an HRM is a Heart Rate Monitor!! Check them out on SP & google them. If u r into cardio, as I am focusing on now, u will find that u can use ur time more wisely!! WOOT WOOT!
As I am learning more about my HRM....pls feel free to ask me any ?'s u may have about them!! I always love learning new things & sharing what I learn!!