Wifi sd card sdhc card securedigital sd memory size 32 gb read speed 10 mbs write speed 10 mbs file format fat32 operating voltage 27 36 v series toshiba flashair device class macbook tv dslr digital camera camcorder computer printer tablet pc functions write protection switch manufacturers warranty 5 years sdhc class 10 operating temperature 25 to 85 c dimensions 32mm x 24mm x 21mm weight 2 g