Micro sd card micro sdhc card memory size 8 gb read speed 30 mbs write speed 10 mbs bus interface uhs i mode of transmission uhs104 file formats fat32 exfat operating voltage 27 36 v series a data premier device class digital camera dslr camcorder computer tablet pc mp3 player mobile phone printer macbook functions write protection switch standard sd 30 sdhc class 10 uhs speed class u1 adapter sd card adapter protective properties wat