Meet the Watshout: a smart fitness tracking watch that eliminates the need for athletes to carry a smartphone with them everywhere they go. It has a Bluetooth music player, fitness app, and GPS tracker. The battery lasts for over 20 hours. Watshout lets users order rideshare and make payments from their wrist.
You will be able to use this to listen to music via any Bluetooth headphones. You can also share your workouts with others in real-time.