WHAT IS NEW IN THE APPLE WATCH SERIES 4?

Apple says its smartwatch range has become an indispensable part of the daily lives of millions of people across the world. The Apple Watch Series 4 has a 30 per cent larger display than its predecessor, with the screen now extending to the very edge of the device. Jeff Williams, Apple's chief operating officer, speaks about the Apple Watch Series 4 at the Steve Jobs Theatre, during an event to announce new Apple products A new built-in accelerometer and gyroscope track motion data eight times faster than Apple Watch Series 3. Apple Watch Series 4 lets users take an ECG reading from the wrist using the new ECG app, which takes advantage of the electrodes built into the Digital Crown and new electrical heart rate sensor in the back crystal. Apple Watch Series 4 lets users take an ECG reading from the wrist using the new ECG app, which takes advantage of the electrodes built into the Digital Crown Despite the larger display, and thinner profile, Apple says the Series 4 has the same 18-hour battery life as its predecessor.