Features:  1. Super Speed USB 3.0 Type C card reader, compatible with all Type C Mobile Decives, with OTG capability.  2. This SD TF Card reader can read and write on two cards at the same time to keep you away from the hassle of constant unplugging and re-plugging.  3. Super Speed USB 3.0, backward compatible with 2.0 / 1.1, supports up to 1TB SD / TF card reading and ultra-fast 5Gbps data transfer, 10 times faster than USB 2.0, can transfer HD movies or files in seconds.  4. Compatible with Windows XP/Vista/7/8/8.1/10, Mac, Linux, Chrome OS. Plug and play, no drivers is required.  5. USB 3.0 card reader can easily read almost all your memory cards with speed and convenience. It supports SDXC/SDHC/SD/MMC/RS-MMC/TF /SDXC/SDHC memory cards.  6. Slim and portable designed with Aluminum alloy material, lightweight, space-saving, suitable for working or travelling.    Specification:  Color: Gray, Sliver;  Material: Aluminum alloy;  Transmission Rate: 5Gbps;  Interface type: Type-C（USB 3.1）;  Support format: TFSC,TFHC,TFXC (Maximum 1TB);  Package Weight: 35g;    Kindly Note:  The data transfer speed could be affected by multi-cards simultaneous reading.    Package Contents:  1 x Type-C USB3.0 High Speed Memory Card Reader（Memory card is not included）