Features: brand new and high quality USB 3.0 card reader and Hub. Read 3 Cards Simultaneously: The compact flash card reader can read and write 3 cards at a for time, saving for time of transferring data and files. USB 3.0 SD card adapter: fast data / file access and super speed (5GPS) / high speed (480Mbps) / full speed (12Mbps) transfer speed. for USB 2.0 / 1.1 / 1.0. 3-port memory card reader slot: supports SDHC, SDXC, SD / for MMC / Micro-SD, micro SDHC (UHS-I), Micro SDXC (UHS-I) and CF Type I / MD / for MMC. Aluminum design, for Windows, for Mac OS, Linux. Really Plug & for Play and hot swap ability; The LED indicates the status of the activity; No driver needed. Specifications: Product Name: USB 3.0 Card Reader Material: Aluminum alloy Color: Black Support memory card: SD/Micro- SD/CF Size: approx.5.8x3.8x1cm/2.28x1.5x0.39in Cable length: approx.150mm/5.91in 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 Package includes: 1PC x USB 3.0 Card Reader