Plug and play on PCs or laptops equipped with standard USB 3.0 ports, including most modern operating systems such as for Windows XP/for Vista/7/8/8.1/10, for Mac OS, for Linux, etc. 4-in-1 USB 3.0 card reader, read and write 4 cards simultaneously/multi-card single read, can saves you the hassle of constantly unplugging and reinserting The USB 3.0 interface supports ultra-fast data transfer up to 5Gbps, 10 times faster than USB 2.0, transferring movies or HD files in seconds Multi-shielded, heavy-duty tinned pure copper cores and heat-resistant external connectors ensure high data transfer efficiency and ultimate durability Dual Card Slots Compatibility: For SD Slot: for SDXC/SDHC/SD/Extreme I III SD/Ultra II SD/MMC For Micro SD/TF Slot: for Micro SD/TF/Micro SDXC/Micro SDHC/UHS-I For CF Slot: CF I 3.0/4.0 /Extreme I III CF/Ultra II CF/HS CF/XS-XS CF/CF Elite Pro/CF Pro/CF Pro II (Note: Not support for FC II card.) For MS Slot: MS, MS PRO, MS PRO-HG, MS XC DUO Specifications: USB specification: USB3.0 Transfer rate: 5Gbps Main body size: L55*W68*H15(mm) Line length: 1m Supported card types: TF/SD/SDXC/SDHC/MMC/CFI/ULtrallCF/Exterme CF/MS