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MedTech

Apple introduced Apple Watch Series 4, redesigned and re-engineered to help users stay connected, be more active and manage their health in powerful new ways. While retaining the original design, the fourth-generation Apple Watch has been refined, combining new hardware and software enhancements into a genuinely singular, unified form. The stunning display is over 30 percent larger and seamlessly integrates into the thinner, smaller case, while the new interface provides more information with richer detail. Apple Watch Series 4 with watchOS 5 brings advanced activity and communications features, along with revolutionary health capabilities, including a new accelerometer and gyroscope, which are able to detect hard falls, and an electrical heart rate sensor that can take an electrocardiogram (ECG) using the new ECG app,1 which has been granted a De Novo classification by the FDA.

We’re thrilled Apple Watch has become an essential part of people's lives,” said Jeff Williams, Apple’s chief operating officer. “The completely redesigned Apple Watch Series 4 continues to be an indispensable communication and fitness companion, and now with the addition of groundbreaking features, like fall detection and the first-ever ECG app offered directly to consumers, it also becomes an intelligent guardian for your health.” Beginning 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 September 21.

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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, optimized 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.

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 optimized 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 customizable 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.

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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 analyzes heart rhythms in the background and sends a notification if an irregular heart rhythm such as AFib is detected.3 It can also alert the user if the heart rate exceeds or falls below a specified threshold.

Fall detection utilizes a next-generation accelerometer and gyroscope, which measures up to 32 g-forces, along with custom algorithms to identify when hard falls occur. By analyzing 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.

 

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Source: www.apple.com

https://www.apple.com/newsroom/2018/09/redesigned-apple-watch-series-4-revolutionizes-communication-fitness-and-health/

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