【Fast Transfer Speed】 The TF card SDXC adopts Speed Class UHS-I(U1) and Class 10(C10) standard. read speed up to 80 Mb / s and write speed up to 20 Mb / s. 【Kindly Note】By default the 32 GB micro SD card is formatted as FAT32 while 64 GB or above formatted as exFAT.
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