Micro sd card micro sdhc card memory size 32 gb read speed 80 mbs bus interface uhs i file format fat32 operating voltage 27 36 v device class digital camera dslr camcorder tablet pc computer mobile phone printer macbook functions write protection switch standard sd 30 sdhc class 10 uhs speed class u3 adapter sd card adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g