Micro sd card micro sdxc card memory size 64 gb read speed 40 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 27 36 v series toshiba highspeed professional device class tablet pc mobile phone computer dslr digital camera camcorder printer macbook manufacturers warranty 5 years standard sd 301 sdhc class 10 adapter sd card adapter operating temperature 25 to 85 c dimensions 15 mm x 11 mm x 1 mm w