A mobile telephone, commonly known as a smartphone, is a portable electronic device that enables users to make and receive calls, send text messages, access the internet, and perform various other functions. It typically features a touchscreen display, a built-in microphone and speaker, and advanced computing capabilities, allowing users to run applications, play games, take photos and videos, and much more. With its compact size and wireless connectivity options, the mobile telephone has revolutionized communication by providing people with instant access to information and the ability to stay connected wherever they go.