Wear on your arm or temple - or anywhere that suits your sport. Track your heart rate super conveniently from your lower and upper arm and from your temple when you're swimming – but that's not all. You should know that you’re not limited to these options. Key Features Optical heart rate monitor that provides you with maximum freedom of movement and multiple options Connect to your phone or watch to monitor your workout Wear on your arm or temple - or anywhere that suits your sport Record your workouts with internal memory Tracks your heart rate, pace and distance in the pool