Samsung Gear S, Black 4GB Smartwatch let you stay connected with your e-mails , pick the calls , etc. see all maps and be directed by it's built-in GPS. Track your goals with an App called S Health, with this you control your voice and compose messages right from your wishlist. also Stay connected to the apps and content that matter most, it helps you to track your steps Workout, Now you can monitor your heart rate and map your run, count calories burned and get vital health information over time.