Handheld vacuum cleaners are compact, portable devices designed for quick and easy cleaning tasks. They are ideal for small messes, such as crumbs on a countertop or dirt in a car. These vacuums often run on batteries, making them convenient for use in various locations without needing a power outlet. Many handheld vacuums come with attachments, such as crevice tools and brushes, to help clean different surfaces effectively. They are lightweight and easy to store, making them a popular choice for households and vehicles. Brands like Dyson and Black+Decker offer a range of models to suit different cleaning needs.