This dual CFexpress card reader is compatible with both CFexpress (Type B) and SD cards, making it the perfect card reader for photographers on the go. No more hassle switching between countless cards. Offers great convenience for those who love photography or videography and use CFexpress cards. USB 3.2 (USB 3.1 Gen 2) technology supports maximum transfer speeds up to 10 Gbps (1250 MB/s) for CFexpress memory cards (backward compatible with USB 3.1). The LED indicator allows you to easily monitor the connection status of the CFexpress Type B reader. The CFexpress card Type B reader is highly compatible with CFexpress Type B and SD cards (SD, SDXC, SDHC, -MMC), supporting a maximum capacity for CFexpress cards up to 2 TB. USB 3.2 Gen 2 CFexpress reader compatible with Windows 7/8/8.1/10/11, MacOS and later without a driver. This palm-sized Express card reader is easy to slip into pockets and school bags, working anytime outdoors, on mountaintops, and other locations, making photography a pleasure. The all-metal design allows the CFexpress card reader to maintain both good heat dissipation and long-lasting use. The CFexpress reader comes with 1 cable and 1 USB C to USB A cable, supporting 10 Gbps high-speed reading and writing, designed to be compatible with all USB Type C and USB A devices. Specification: Card Slots: 2-in-1 Type: CFexpress Card Reader, SD Card Reader Installation: External Applicable Memory Cards: CFexperess Type B Card, SD3.0 Card Transfer Rate: 10 Gbps Material: Aluminum Alloy Output Port Type: USB C/USB A Power Supply: USB 5V5% Power Supply Supported Systems: for Windows, for MACOS10.6.2 or later for Linux Fedora FC8 and later systems, for Android systems Different batches may have color differences, which does not affect use. Color: silver gray Material: aluminum alloy Package Contents: 1 X Card Reader 2 X Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.