Get a Reebok Precision Trainer XT Heart Rate Monitor for $29.99 instead of $119.99. If you are looking for fast, easy and accurate heart monitoring the Reebok Precision Trainer is your choice. While running or riding with your bike it can be pretty usefull to see how you are doing. It automatically calculates your Calorie loose and the fat you have burned for you making it an awesome gadget. Beyond this it can also warn you when your heart rate is dropping or getting to high to avoid health issues – which is a great point for elderly people who like to jog. Click here to get yours !