The Huawei CF22R 2-in-1 card reader reads slowly

Applicable products：

The Huawei CF22R 2-in-1 card reader reads slowly

The read rate of a 2-in-1 card reader depends on the card and device it works with. Refer to the following for details.

Read rate	On devices supporting USB 2.0	On devices supporting USB 3.1 Gen 1 (USB 3.0)
Nano memory card (NM card)	10 MB/s to 40 MB/s	80 MB/s
Class UHS-1 or higher TF card	10 MB/s to 40 MB/s	80 MB/s
Class 4/Class 6/Class 10 TF card	10 MB/s	10 MB/s

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