app, A software application designed to run on a mobile device such as a smartphone or tablet., battery, A device used to provide electrical power to other devices when their built-in batteries are depleted., portable charger, A device that stores chemical energy and converts it into electricity to power electronic devices., ringtone, A sound made by a mobile phone when an incoming call or message is received., touch screen, A device that is sensitive to touch, allowing the user to interact with it by touching icons or buttons directly., Wi-Fi, A wireless networking technology that allows electronic devices to connect to the internet or communicate with one another.

Technology

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