【USB 3.0 High-Speed Transmission】 USB 3.0 SD card adapter transfer data up to 5Gbps, 10X faster than USB 2.0. Backward compatible with USB 2.0, 1.1. USB 2.0 memory card reader for data transmission, manage all your data from/to/on devices and across multiple platforms(Create, copy, edit, move, delete, rename, open in, and so on). | 【Simultaneous Reading 2 Cards】 This micro SD card reader is able to read and write 2 SD/TF cards at the same time to free your hands; The SD card adapter is compatible with SD, SDXC, SDHC, MMC, RS-MMC, Micro TF, Micro SD, Micro SDXC, Micro SDHC and UHS-I memory cards up to 2TB storage capacity. | 【Plug & Play Easy to Use】 No additional power supply needed, no extra driver needed, plug into the USB port on your laptop and enjoy amazingly fast data sync! Compatible with Windows 11,10, 8, 7, Vista, XP, Mac OSx 10.6-10.12, Linux 2.6.14 or later. | 【Selected Materials】With Alu-alloy case, Vanja memory card reader offers better heat dissipation. The built-in smart chip avoids overcurrent, overvoltage, short circuit and overheat. Withstands being used time and time again, for years of reliable data transfer with Vanja micro SD card reader. | 【Package Contents】 An SD card reader with "Vanja" logo (NOT include cards, U disk and other props). All products sold by Vanja have hassle 18-month support.