2-in-1 Card Reader & Storage: Combines a high-speed card reader with a protective case, enabling simultaneous read/write for SD and Micro SD cards. Features secure locking slots to prevent card slippage, with a compact design ideal for business travel, vacations, and outdoor photography. Pro-Grade UHS-II Speeds: Achieves up to 312 MB/s read speeds (UHS-II protocol), transferring a 32GB SD card in ~2 minutes with compatible devices. Actual speeds depend on host interface, card model, and system environment. Dual-Slot Efficiency: Read and transfer data from SD & Micro SD cards simultaneously while storing 4 SD + 8 Micro SD cards securely. Includes a built-in eject pin for easy card removal – just one reader handles all your shooting needs on the go. IP54 Rugged Protection: Silicone case with water-resistant, dustproof, and shock-absorbent design provides triple-layer defense for your memory cards against harsh environments. LED Status Indicator: Blue light when connected to a device, switches to green during active data transfer – instantly shows reader activity without checking screens. Plug & Play – Zero Drivers Needed: Works instantly across iOS, iPadOS, macOS, Windows, Linux & Android – no software setup required. Some devices may require specific configurations. Contact us via Amazon Message Center for compatibility verification. llano 2-in-1 High-Speed SD/TF Card Reader (UHS-II Supported) with Built-in Slot Storage, Compatible with iPhone, iPad, Camera, Laptop, DSLR, Android, MacBook – SD & Micro SD Dual Slot Reader