speed USB data transfer: Up to 5 Gbps for fast file transfers. Backward compatible with USB A 2.0 and earlier devices, so you can connect older peripherals without issue. Multifunction design: Combines a USB hub/splitter with a TF card reader so you can connect keyboards, mice, external hard drives and read TF cards from one compact adapter. Compact and portable: Small, lightweight form factor for easy storage and transport — convenient to carry in a laptop bag or pocket. Plugandplay compatibility: No additional drivers required. Plug in and use. Supported operating system: Linux. Reliable performance: Stable USB connection suitable for everyday peripherals and external storage devices. Practical use scenarios: Office setup: Connect a keyboard and mouse while also accessing files on an external hard drive without needing multiple adapters. On the go: Transfer photos or data from a TF card to your laptop quickly while traveling, then store the adapter in a pocket or bag. Home media management: Back up media from a TF card or external drive to your Linux machine with fast 5 Gbps transfers. Key attributes at a glance: Function: USB hub/splitter + TF card reader Performance: Up to 5 Gbps data transfer Compatibility: Backward compatible with USB A 2.0 and below; plugandplay; supports Linux Size: Compact and easy to carry Supported devices: Keyboards, mice, hard drives, TF cards