Which type of USB connector is commonly used in smartphones and tablets for charging?

The commonly used connector in smartphones and tablets for charging is USB Type C. This connector has several advantages that make it the preferred choice for modern devices.

USB Type C is reversible, meaning it can be plugged in either way, which simplifies the user experience. Its design supports higher power transfer, allowing devices to charge faster compared to previous USB versions. Additionally, USB Type C can transmit data at higher speeds and can support a variety of other functions, such as video output, making it a versatile all-in-one connector. Its widespread adoption by manufacturers also means that users can utilize the same cable for multiple devices, enhancing convenience.

While USB Micro connectors have been widely used in the past for smartphones and tablets, they are becoming less common with the rise of USB Type C. USB Mini connectors were historically used for smaller devices but are outdated now. USB Type A connectors, often found on computers and chargers, are not designed for direct connection to mobile devices for charging. This context explains why USB Type C stands out as the current standard for charging smartphones and tablets.