Add some music for motivation to your workout with the Garmin Forerunner 645 GPS Music Smartwatch. The first from the brand to offer stored music, you can now tune in without lugging around your smartphone. The Forerunner 645 has the space for up to 500 music files to take on the go. These can either be files from your computer or as offline playlists downloaded from music streaming sources. However, it doesn’t connect to or play from online streaming sites. In addition, you can pair the Forerunner 645 with your Bluetooth earbuds or headphones for a really streamlined experience. Coming from Garmin, the Forerunner 645 offers both GPS and GLONASS. And, it tracks your activities such as running, swimming, cycling, and more. Finally, the battery life will last you a full seven days.