Enjoy your workouts listening to your favourite tunes with the TomTom Spark Music GPS Fitness Watch. The watch has a 3 GB storage capacity, so you can carry your favourite playlists conveniently on your wrist. This watch is compatible with both MP3 and AAC files. Through 'Goal Settings' you can set and track your progress on a daily basis, thereby determining whether or not to push yourself to the limit. In addition to these features the watch has a unique ultra slim design.