External storage solutions that connect to Android devices, primarily smartphones, facilitating data transfer and expanded memory capacity. These devices typically utilize a USB connection, often through an adapter, to interface with the mobile operating system and allow users to manage files. For example, a user might employ such a device to back up photos and videos from their phone or transfer large files between their phone and a computer.
The increasing file sizes of media and applications have fueled the need for supplemental storage on mobile devices. These solutions provide a cost-effective method to overcome storage limitations inherent in many phones. Initially driven by the desire to easily move files between devices, the technology offers the convenience of offline data access and backup capabilities, contributing to enhanced productivity and data security.