This compact portable card reader combines a builtin USB port and a memory card slot, allowing easy data transfer across USB drives and memory cards without extra adapters. Key benefits Allinone access: read and transfer files from SD, microSD, and USB drives in one compact device. Ultraportable: lightweight and pocketsized for travel, work, or daily use. Broad compatibility: supports multiple file formats and works with Windows, macOS, and Linux. Reliable performance: sturdy construction ensures stable data transmission and lasting use. What problem it solves Eliminates the need for multiple adapters and devices. Speeds up onthego backups and file transfers for busy schedules. Use scenarios Photographer on location: quickly copy RAW or JPEG files from camera cards to a laptop or external drive. Videographer in the field: offload video footage from SD/microSD cards for immediate editing or sharing. Office or student: transfer documents and media between devices for meetings, classes, or collaborative work. Compatibility and build Supports SD, microSD, and USB drives; designed for broad OS support and varied file formats. Built with durable materials to ensure stable connections and reliable data transfer over time.