Apple Watch 4 Aluminum 40 mm Cellular
 | Outdated Product $299.99 Type: watch phone; Interface: Bluetooth v 5.0; ОС: WatchOS; SIM card support: e-SIM; notifications; voice control; voice assistant: Apple Siri; sound signal; vibration; built-in speaker; heart rate monitor; smart alarm clock; women's calendar; Swimming mode; GPS module; aGPS; GLONASS |
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Apple Watch 4 Aluminum configurations
| Price for Apple Watch 4 Aluminum | ||||
|---|---|---|---|---|
 | Apple Watch 4 Aluminum 40 mm | from $300.00 | 3 offers | |
 | Apple Watch 4 Aluminum 44 mm | from $180.00 | 2 offers | |
Apple watches are selling like hot cakes all over the world, leading the popularity ratings not only in the segment of “smart” wearable gadgets, but also in the whole family of wrist chronographs.
Screen without borders
On the fourth approach, the clock changed the most. First of all, they have grown in size: 40 mm and 44 mm now against 38 mm and 42 mm before. Of the visible improvements, the display also attracts attention, which has increased by about a third. In the case of the younger version of smartwatches, an OLED matrix with a resolution of 324x394 pixels, rounded at the corners and framed by thin frames, is assigned to its role. The perception of the picture on the enlarged screen has reached a new qualitative level.
Health comes first
The main emphasis in the fourth generation of "smart" watches is on health. The standard measurements of physical activity parameters and the user's heart rate are enhanced with a heart rate tracking function and an integrated electrocardiogram reading system. The electrodes for this case are brought to the plane of the Digital Crown wheel, which has learned to provide tactile feedback with each scrolling step. Unfortunately, at the start of sales, the ECG function only works within the United States, but the expansion of its spheres of influence to other regions is not far off. Another useful feature is tracking user crashes and taking action. For example, if a person does not react after a fall within a minute, the watch itself will call an ambulance for him.
LTE module
In order to better hear the voice assistant Siri, the speaker on board the watch became louder, and the microphone moved away from it to suppress echo. All this will also come in handy if you intend to make a voice call or receive an incoming call, which allows you to "crank" the version of the smartwatch with an LTE module and an electronic SIM card(supported in a limited number of regions). In other respects, the model is of interest due to its water resistance up to 50 m and compatibility with the existing accessory park of straps. But the battery life of the watch could be “lifted” more: in normal mode, they “live” for about 18 hours, with an active GPS module — three times less.
