Long gone are the days when you had to finagle a system of wires and straps beneath your fitness threads, only to have your workout brought to a jarring halt by the sudden implosion of your strategic arrangement. Now's as good of a time as any to conveniently streamline your training with the TomTom Spark Music GPS Watch. Whether you live, eat, and breathe marathon training or are participating in the weekly office walk goals, the Spark Music GPS Watch functions in both multi sport performance modes and 247 activity tracking so you can stay on top of your fitness regimen rather than behind it. The Spark Music GPS Watch gets you back to the basics with its sleek, low profile construction and effortlessly takes you from the gym to the streets without looking like you're about to head out on an Arctic expedition. Built to cover the necessities, the Spark Music has 247 activity tracking, a multi sport mode, GPS tracking, audio performance feedback, and wireless syncing while the goal setting, auto sleep tracking, and water resistant qualities are the icing on the cake for any fitness enthusiast. So okay, one thing's for sure TomTom takes convenience, comfort, and paramount performance to the next level by including easy to use sport modes and providing you with the same performance as the Spark GPS Watch but with music storage and Bluetooth headphone compatibility. This watch has up to 3GB or 500 songs of music storage, depending on the MP3 or C file, so you can blaze trails or rip through intervals all while listening to your favorite songs. It's important to note that in order to listen to your music during your workout, you should pair your TomTom Spark to your Bluetooth headphones in order to do so, ensure that your headphones have a remote control function so you can replay or skip through your tunes. So why not take a walk on the wireless side.