Apple Watch Series 4: Description and Specifications

Description

The Apple Watch Series 4, released in September 2018, marked a significant redesign and upgrade over its predecessors. This model introduced a larger display, enhanced health monitoring capabilities, and a more powerful processor. The Series 4 features a sleek and modern design with narrower bezels, allowing for a larger screen in a similar-sized case compared to earlier models. 

One of the standout features of the Series 4 is the addition of an electrical heart sensor capable of generating an electrocardiogram (ECG), which can help detect irregular heart rhythms. The watch also includes an improved optical heart sensor, fall detection, and emergency SOS, making it a robust health monitoring tool. With its S4 chip, the Series 4 delivers smooth performance and responsiveness for a wide range of tasks. Running on watchOS, it offers extensive app support and seamless integration with other Apple devices.

Specifications

Display

– Type: LTPO OLED Retina display with Force Touch

– Size: 

  – 1.78 inches (448 x 368 pixels) for the 44mm model

  – 1.57 inches (394 x 324 pixels) for the 40mm model

– Resolution: ~326 ppi

Body

– Dimensions:

  – 40mm: 40 x 34 x 10.7 mm

  – 44mm: 44 x 38 x 10.7 mm

– Weight:

  – Aluminum: 30.1 g (40mm) / 36.7 g (44mm)

  – Stainless Steel: 39.8 g (40mm) / 47.9 g (44mm)

Build

– Material: Aluminum or stainless steel case, sapphire crystal and ceramic back

Platform

– Operating System: watchOS 5, upgradable to watchOS 9

– Chipset: Apple S4

– CPU: Dual-core

– GPU: PowerVR

Memory

– Internal Storage: 16 GB

Sensors

– Sensors: Accelerometer, gyro, heart rate (2nd gen), barometer, electrical heart sensor (ECG), compass, ambient light sensor

Communication

– WLAN: Wi-Fi 802.11 b/g/n

– Bluetooth: 5.0, A2DP, LE

– GPS: Yes, with A-GPS, GLONASS, GALILEO, QZSS

– NFC: Yes

##### Battery

– Type: Li-Ion, non-removable

– Battery Life: Up to 18 hours

##### Features

– Water Resistance: 50 meters

– Health and Fitness: ECG app, heart rate monitoring, fall detection, emergency SOS, activity tracking

– Connectivity: Cellular model available

– Compatibility: Requires an iPhone 6 or later with iOS 12 or later

The Apple Watch Series 4 represents a significant leap forward in smartwatch technology, combining an elegant design with advanced health features and powerful performance. It is an excellent choice for users seeking a sophisticated, reliable device that offers comprehensive health monitoring and seamless connectivity with the Apple ecosystem.

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