A handheld device is a portable electronic gadget that can be held in one's hands while being used. It typically has a compact design and is easy to carry around, making it convenient for people on-the-go. Examples of such devices include smartphones, tablets, eReaders, GPS units, digital cameras, and portable gaming consoles. These devices are often equipped with touchscreens or keypads that allow users to interact with them easily using their fingers or thumbs.