Dual Cable Design: This CFexpress/SD card adapter comes with one USB C to USB C cable and one USB C to USB A cable, the dual cable designed to be compatible with all USB type C and USB A device. (Package contents: 1 x CFexpress Type B /SD Card Reader, 1 x USB-C TO C Cable,1 x USB-C TO A Cable, 1 x User Manual). Aluminum Portable Design: Aluminum alloy material, compact portable design could save space , easy and convenient to carry, high-end fashion appearance and fast heat dissipation makes the CFexpress reader high quality and more durable. The Aluminum Enclosure is more conducive to heat dissipation and makes the cf express b /sd card reader more durable. LED indicator will flicker when data transfer is ongoing. Wide Compatibility: This CFexpress card reader compatible with CFexpress Type B and SD memory card such as 32GB, 64GB, 120GB, 128GB, Max 2TB. Please NOTE: Doesn't support reading SD cards and CFexpress cards at the same time, If the CFexpress card and SD card are inserted at the same time, the CFexpress card is read by default; The SD card will be automatically disconnected after the CFexpress card is inserted. 10Gbps Super Speed Data Transfer: USB 3.2 Gen 2 technology supports maximum transfer speed up to 10Gbps(1250MB/s), support Cfexpress memory card read and write high-resolution photos, full HD videos from your CFexpress card quickly. Backward compatible USB 3.1 Gen 1 and USB 3.0. Professional CFexpress Type B/SD Card Reader: The dual-slot cf express reader is compatible with both CFexpress (Type-B) and SD cards, making it the ideal card reader for photographers to carry around. Our cfexpress type b reader adds a SD slot providing a great convenience for those who love photography or videography and use CFexpress card.