Three card slots: this card reader has SD card slot x 1, TF card slot x 1 and USB 3.0 port x 1, apply to MicroSD, MMC, RS-MMC, MicroSDXC, SDHC, Micro SDHC, TF card, UHS-I card, SD card. More importantly, it can read USB OTG adapter and connect keyboards, mice and other devices to your computer.
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