Micro sd card micro sdxc card memory size 64 gb read speed 10 mbs write speed 10 mbs bus interface uhs i file format exfat operating voltage 27 36 v series verbatim premium device class macbook mp3 player dslr digital camera camcorder printer mobile phone tablet pc manufacturers warranty 2 years standard sd 20 sdhc class 10 uhs speed class u1 adapter sd card adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g