Apple Watch Series 4: Beautifully redesigned with breakthrough communication, fitness, and health capabilities
Featuring a Stunning New Display, Electrocardiogram and Fall Detection
Beginning Friday, September 14, Apple Watch Series 4 (GPS) will be available to order in 26 countries and territories and Apple Watch Series 4 (GPS Cellular) will be available to order in 16 countries and territories. Both models will be available in stores beginning Friday, September 21.
Design
Apple Watch Series 4 is more than an evolution — it represents a fundamental redesign and re-engineering of Apple Watch. It’s offered in two sizes, 40mm and 44mm. The speaker is 50 percent louder, optimised for phone calls, Siri and Walkie-Talkie, and the microphone has been relocated, to reduce echo for better sound quality. The device includes the next-generation S4 chip with a custom 64-bit dual-core processor, delivering twice the speed while maintaining the same all-day battery life.2
The back of Apple Watch Series 4 is composed of a gorgeous black ceramic and sapphire crystal, allowing radio waves to easily pass through the front and back for better cellular service. The Digital Crown now includes haptic feedback, offering a more mechanical and responsive feel through the sensation of incremental clicks.
The user interface is optimised for the larger display, allowing for app icons and fonts that are bigger and easier to read, while complications have been beautifully enhanced to be more precise and informative. New watch faces take full advantage of the Series 4 display, from the endlessly customisable Infograph face, to the Breathe face, where the animation is timed around a deep breath. Additionally, a suite of motion faces, including Vapor, Liquid Metal, Fire and Water react uniquely with the curved edges of the case.
Health
Apple Watch Series 4 enables customers to take an ECG reading right 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. With the app, users touch the Digital Crown and after 30 seconds, receive a heart rhythm classification. It can classify if the heart is beating in a normal pattern or whether there are signs of Atrial Fibrillation (AFib), a heart condition that could lead to major health complications. All recordings, their associated classifications and any noted symptoms are stored in the Health app in a PDF that can be shared with physicians.
With watchOS 5, Apple Watch intermittently analyses heart rhythms in the background and sends a notification if an irregular heart rhythm suggestive of AFib is detected.3 It can also alert the user if the heart rate exceeds or falls below a specified threshold.
Fall detection utilises a next-generation accelerometer and gyroscope, which measures up to 32 g-forces, along with custom algorithms to identify when hard falls occur. By analysing wrist trajectory and impact acceleration, Apple Watch sends the user an alert after a fall, which can be dismissed or used to initiate a call to emergency services. If Apple Watch senses immobility for 60 seconds after the notification, it will automatically call emergency services and send a message along with location to emergency contacts.
Additional information
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