Features: brand new and high quality USB 3.1 gen 2 (10gbps) high speed data transmission, high quality 4k-8k exclusive video, file transfer speed up to 10gbps. Plug and for play, no driver needed. The appearance is refined and compact. Disk formats such as ntfs/ext4/fat32/exfat. All aluminum alloy appearance design, high speed heat conduction. The blue led light indicates, reads and flashes and it is easy to check the connection status. Specifications: Brand: Rocketek Model: CR316 Color: for Grey Name: CFexpress type b card reader Appearance material: aluminum alloy Support disk: ntfs/ext4/fat32/exfatg Main control chip: asm2362 Product size: 68x50x9.5mm/2.67x1.96x0.37in Package Includes: 1PC x Card Reader 1PC x USB Cable C to C 1PC x USB Cable A to C note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!