Tennis is a game of fitness, you have to be able to command and conquer on the court. If you are interested in betting on sports here’s a cool website USA sports betting site . Anyways you have to be in good shape. One way of making sure you stay in good shape is to use a heart rate monitor. This helps to monitor your running excercise and improve upon it . This is one example of a good heart rate monitor
Nike Triax C6
Designed for the cardio exerciser, the C6 features a calorie counter and an automated personal zone finder that helps you to determine your target heart-rate zones. The view button allows you to easily display your heart rate, current zone, calories burned and exercise time. The watch is durable and the band is comfortable so it.