The TomTom Runner 2 cardio music small heart rate monitor is an easy-to-use device designed to provide real-time running information and let you listen to high energy, motivating music while working out. Boost each workout with your favourite music and improve overall fitness level with this top quality fitness watch featuring a built-in heart rate monitor, a multisport mode, 24/7 activity tracking function and GPS tracking. It offers 5 different heart training zones enabling you to get results faster and allows for training in a bike, swim, gym and treadmill mode. The Runner 2 has music storage for over 500 songs and streams music to a wide range of Bluetooth headphones. The race mode allows you to choose one of your past performances to race against, whereas the audio performance feedback helps to push yourself harder and increase sports performance.