Amazfit Branded SmartWatch T-Rex Pro Grey

Smartwatches are designed as wearable computers in the form of a watch. Provides a touchscreen interface for daily use. Managed via an associated smartphone app for extended functionality and telemetry, such as long-term biomonitoring. Early models handled basic tasks like calculations and digital time telling, while modern versions offer more general functionalities similar to smartphones. Equipped with mobile apps, operating systems, and WiFi/Bluetooth connectivity. Some models function as media players with FM radio and digital audio/video playback via Bluetooth headsets. Certain models include mobile cellular functionalities, allowing for making calls. Features electronic visual displays, including backlit LCD, OLED, transflective, or electronic paper to save power. Powered by rechargeable lithium-ion batteries. May include digital cameras, thermometers, accelerometers, pedometers, heart rate monitors, altimeters, barometers, compasses, GPS receivers, speakers, and microSD cards. Software includes digital maps, schedulers, personal organizers, calculators, and various watch faces. Can communicate with external devices like sensors, wireless headsets, or heads-up displays. Collects data from internal or external sensors and may control or retrieve data from other instruments or computers. Supports Bluetooth, Wi-Fi, and GPS. Often serves as a front end for smartphones, using various wireless technologies for communication. Continuous improvements in design, battery capacity, and health-related applications. Includes functionalities for heart rate measurement, SpO2 monitoring, and workout tracking.

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