Aluminum Enclosure & Compact Design: Dual-slot card reader for cfexpress sd card with ultra slim body design, portable for vacations and business trips, let photography become a pleasure. The Aluminum Enclosure is more conducive to heat dissipation and makes the cf express b /sd card reader more durable. (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). Dual Cable Design and Portability: 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. Strong Compatibility: CF express cards type b reader strongly compatible with CFexpress type B(SanDisk/Sony/ProGrade/ Lexar /TOPSSD CFexpress Type B series) and SD Card(SD, SDXC, SDHC, RS-MMC), supports maximum capacity of CFexpress card up to 2TB. Plug and play, hot-swapping capability. 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. 10Gpbs 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 Type B card quickly. Backward compatible USB 3.1 Gen 1 and USB 3.0. LED indicator will flicker when data transfer is ongoing. Professional CFexpress Type B/SD Card Reader: The dual-slot professional CFexpress card reader is compatible with both CFexpress (Type-B) and SD cards, making it the ideal card reader for photographers to carry around. This cf express cards type b reader adds a SD slot providing a great convenience for those who love photography or videography and use CFexpress card.