— a popular connector for connecting external peripheral devices, familiar to many primarily from computers and laptops. It is used with the same purpose in televisions; however, the capabilities of working with USB-A may vary. At a minimum, such a connector can connect a flash drive or an external hard drive and play content from the removable media directly. More advanced models can also record TV programs. In 3D TVs, an adapter for active glasses can be connected through USB-A. As for models with Smart TV, everything depends on the specific functionality: the list of supported equipment may include webcams for Skype, keyboards, mice, gamepads, etc.