Micro sd card micro sdxc card memory size 64 gb read speed 90 mbs bus interface uhs i file format exfat operating voltage 2 7 3 6 v series integral ultimapro suitable for full hd recording device class tablet pc mobile phone computer dslr digital camera camcorder printer macbook manufacturers warranty 5 years 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