Boost your fitness performance while listening to your favourite tracks with the Tom Tom Runner 3 cardio music small heart rate monitor with headphones & capture your steps, active minutes, distance, calories burnt, & sleep time thanks to 24/7 activity tracking feature. With 3GB of music storage, this ultra-thin & lightweight GPS watch lets you store your playlists & listen to over 500 songs, whereas a built-in heart rate monitor allows for checking your heart rate on the wrist. Train in run, bike, swim, gym & treadmill modes or use a race mode to choose one of your past performances to race against & never run the same route twice thanks to route exploration feature. There are 5 different heart rate zones for better & faster results, plus the device is water resistant up to 40m (130 feet) enabling you to explore the underwater world or run in all weather conditions. The watch is supplied with sweat & weatherproof Tom Tom Bluetooth headphones with an integrated remote control for quick selections.