This card reader is the perfect companion for on the go, thanks to USB 3.1 (Gen.1), super fast and very flexible. USB 3.1 (Gen.1) card reader with USB-C connector. Supports the most important memory cards: SD, SDHC, SDXC, SD UHS II Extreme SD, Extreme II SD, Extreme III SD, Ultra SD, Ultra II SD, Ultra II SD P. SD PLPLPLPLUSULTRA-X, ULTRA SPEED SD, SD PRO, SD ELITE PRO, HS SD, MMC, MMC 4.0, HS MMC, HS RS MMC, RS MMC, RS MMC 4.0, MMC Mobile, MicroSD, MicroSDHC, MicroSDXC, Micro SDCX II4 slot design, simultaneously read 2 memory cards and copy from one to the otherDirect transfer of file between the cards Supports UHS-II SD/MicroSD cards up to approx. 100MB/s data transferMeets superspeed USB 3.1 (Gen.1) specificationsData transfer rate of up to 5Gbit/sMini design, fits in any notebook bagCable length: 165mmSystem requirements: USB 3.0 Type-C port, Windows 7 or later, Mac OS 10.4 or later