Mobile device

A mobile device is an electronic device which its user can easily carry with them. Typical examples are a mobile phone, PDA and handheld game consoles. Mobile devices do not need an external power supply to work. Usually, they have a battery to hold electricity to work without electric wires. A user can change, send and move data by connecting to a modem or cable, or more often wirelessly. 
Uses for these devices include reading and writing e-mails, surfing in the internet and listening to music. Smartphones, tablets and similar complicated mobile devices can run computer programs including computer games, and have many of the functions of a desktop PC.
Categories.
Mobile devices can be classified by size and capabilities: