Micro sd card micro sdhc card memory size 16 gb read speed 22 mbs write speed 20 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series delkin pro device class mobile phone tablet pc computer dslr digital camera camcorder printer macbook functions write protection switch sdhc class 10 uhs speed class u1 adapter sd card adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g