Upgrade your workstation with this 5-in-1 USB-A multiport adapter hub. Featuring 3 USB 3.0 ports, 1 Micro SD/TF card slot, and 1 SD card slot (not supported for simultaneous use), it transforms a single USB-A port into a powerful extension for accessories and storage. With true plug-and-play, no extra driver or power is needed. Transfer files like photos, videos, Word, PPT, and Excel directly at speeds up to 5Gbps. Supports bidirectional data transfer between storage cards and devices. The aluminum alloy shell provides strength, heat dissipation, and portability for travel, business, or daily work. Built-in protection prevents over-voltage, over-current, short-circuit, and overheating for safer use. Compatible with USB-A port devices including laptops, PCs, and desktops, as well as other USB-A interface devices. （Please note: this card reader cannot read two slots at the same time. Actual reading speed depends on the storage card used!） We also provide a 60-day money-back guarantee, a 1-year warranty, and 24-hour customer service for the product you receive.