Stay connected to the world and get fit in style with the Apple Watch Series 4. Strap on the stylish Apple Watch and listen to the music, view photos and messages, track your fitness levels and share your activities, it comes with an innovative electrical heart sensor and a re-engineered digital crown with haptic feedback, low and high heart rate notifications, fall detection, emergency SOS and new breathe watch faces, improves and protects your health. It features an automatic workout detection, cadence and pace alerts which are ideal for runners. It lets you set up to five metrics, so you can track all your fitness goals and stats at a glance providing you with all the motivation you need to get fitter every day. With new ways to use Siri, you can now use this Apple watch that comes with the Built-in Cellular feature, to manage your phone calls and messages, stream Apple Music/Podcasts and even use this device as a walkie-talkie.