A video game controller is a handheld device used to interact with video games. It typically features buttons, triggers, and joysticks that allow players to control characters and navigate game environments. Controllers can connect to gaming consoles, computers, or mobile devices, and they come in various designs and layouts. Most modern controllers are wireless, using Bluetooth technology for connectivity. Some popular types include those designed for PlayStation, Xbox, and Nintendo systems. Additionally, specialized controllers exist for specific genres, such as racing or fighting games, enhancing the gaming experience by providing more precise control.