Set a new personal best with the tomtom runner 3 cardio music large heart rate monitor with headphones and get your feet moving to the beat wirelessly playing over 500 songs from your watch this multifunctional device lets you check your heart rate on the wrist with the built in heart rate monitor and offers real time running information enabling you to track steps active minutes distance calories burnt and sleep time there is a multisport mode for training in run swim bike gym and trea