2 vnt. „Xiaomi Watch S4“ juodi išmanieji laikrodžiai

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Prekė: 2 vnt. „Xiaomi Watch S4“ juodi išmanieji laikrodžiai. Kategorija: Išmanieji laikrodžiai.

• Gamintojas: Xiaomi
• Modelis: Watch S4
• Svoris: 44.5 g
• Spalva: black

• Modern smart watch from the brand Xiaomi
• Unique modular design with replaceable stainless steel scopes
• 1,43 Inch Round AMOLED Dial
• Wireless Bluetooth 5.3 technology
• Waterproof to a depth of 50 m
• Gyroscope, accelerometer, compass, barometer
• SpO2 sensor, heart rate sensor
• More than 150 sports modes
• 486mAh charging battery
• 15-day lifespan on a single charge
• HyperOS 2.0 operating system
• View notifications from your mobile phone

Construction and execution

The watch has a round case with a diameter of 47,3 mm and a thickness of 12 mm, made of aluminum alloy. A characteristic design element is the replaceable stainless steel telescope (bezel), which the user can disassemble and replace with another color or material variant. On the side of the case there is a rotating crown, used to navigate the system, and one function button. The device weighs 44,5 g (without strap) and has a water resistance class of 5 ATM, which allows you to swim in shallow water. The black strap is made of fluoro rubber and is adapted to wrists with a circumference of 140 to 210 mm.

Display

The device is equipped with an AMOLED matrix with a diagonal of 1,43 inches and a resolution of 466 × 466 pixels (density 326 ppi). The screen achieves a peak brightness of 2200 nits, which allows data to be read under strong outdoor lighting conditions. The refresh rate is 60 Hz. The display supports Always-On Display (AOD), allowing you to continuously display the time with limited power consumption.

Components and connectivity

The watch runs on the Xiaomi HyperOS 2.0 operating system. Wireless connectivity is implemented via the Bluetooth 5.3 standard. The device has a built-in speaker and microphone, which allows you to make phone calls directly from your wrist (within Bluetooth range of the paired phone). The NFC module enables contactless payments. The independent dual-band GNSS system supports five satellite systems: GPS, Galileo, Glonass, BeiDou and QZSS.

Health Features and Sensors

At the bottom of the envelope there is an advanced optical sensor module for measuring heart rate and blood oxygen saturation (SpO2). In addition, the watch has a skin temperature sensor, accelerometer, gyroscope, electronic compass, barometer (atmospheric pressure sensor) and ambient light sensor. The device monitors the time and phases of sleep, stress levels and regeneration parameters of the body.

Activity monitoring

The software supports more than 150 sport modes. Among them there are dedicated algorithms for running (including analysis of the form of running), swimming, skiing or tennis. The watch collects data on distance, pace, calories burned and training load. HyperOS 2.0 implements AI algorithms to support the analysis of collected training data.

Battery and charging

The lithium polymer battery with a capacity of 486 mAh provides up to 15 days of operation with standard use. If you use Always-On Display, this time is reduced to about 5 days. Charging is carried out using a dedicated cable with magnetic pins. The fast charging system allows you to get about 2 days of operation after 5 minutes of connection to a power source.

Specifications