The dual-slot CFexpress card reader is compatible with both CFexpress (Type-B) and SD cards, making it the perfect card reader for photographers to carry around. No more hassle of switch between numberless card . Provide great convenience for those who love photography or videography and use CFexpress card. USB 3.2(USB 3.1 Gen2 ) technology supports maximum transfer to 10Gbps(1250MB/s) for the CFexpress memory cards(backward compatible with USB 3.1 ). With the LED indicator, you can easily monitor the connection status of the cfexpress type b reader. CFexpress cards type b reader strongly compatible with CFexpress type B and SD Card(SD, SDXC, SDHC, -MMC), supports maximum capacity of CFexpress card up to 2TB. USB 3.2 Gen 2 CFexpress Reader Compatible with /7/8/8.1/10/11, MacOS and above without driver. express card reader palm size, easy to put in pockets and school bags, work at any time in the outdoors, mountain tops and other places, let photography become a pleasure.The all-metal design allows the CFexpress Card Reader to maintain both good heat dissipation and long-lasting use. CFexpress reader comes with 1 Cable and 1 USB C TO USB A Cable, supporting 10Gbps high speed read and write, designed to be compatible with all USB type C and USB A device. 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 Transmission rate: 10Gbps Shell material: aluminum alloy Output port type: USB C/USB A Power supply: USB 5V±5% power supply Supported systems: for Windows, for MACOS10.6.2 or above for Linux Fedora FC8 and above 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.