08-16-2017, 10:35 PM
A smartwatch is a computerized wristwatch with functionality that is enhanced beyond timekeeping. While early models can perform basic tasks, such as calculations, translations, and game-playing, modern smartwatches are effectively wearable computers. Many run mobile apps, using a mobile operating system.Some smartwatches function as portable media players, offering playback of FM radio, audio, and video files to the user via a Bluetooth headset. Some models, also called 'watch phones', feature full mobile phone capability, and can make or answer phone calls.
Internal hardware is various. Most have a rechargeable battery and graphical display and many have a touch screen. Peripheral devices may include camera, thermometer, accelerometer, altimeter, barometer, compass, GPS receiver, speaker and SDcard that is recognized as a mass storage device by a computer. Software may include Map display, scheduler, calculator, and various kinds of watch face. The watch may communicate with external devices such as sensors, a wireless headset, or a heads-up display.Like other computers, a smartwatch may collect information from internal or external sensors. It may control, or retrieve data from, other instruments or computers. It may support wireless technologies like Bluetooth, Wi-Fi, and GPS. For many purposes, a "wristwatch computer" simply serves as a front end for a remote system, communicating by various radio technologies.