This ia amazing gps tracking get sports watch. It has everything you need, the ability to set goals, track your sleep. You can use it swimming as it's water resistant to 50 meters. It is comparable with Bluetooth headphones ( not included) so you can listen to your music that can be saved on to the watch. It has wireless synchronisation. The battery has a fantastic life, it can last me about a week and i always use it. The price is negotiable.