Micro sd card micro sdhc card memory size 16 gb read speed 85 mbs write speed 21 mbs bus interface uhs i mode of transmission uhs104 file format fat32 operating voltage 2 7 3 6 v series emtec gold device class mobile phone tablet pc computer dslr digital camera camcorder printer macbook standard sd 301 sdhc class 10 uhs speed class u1 adapter sd card adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g