Micro sd card micro sdxc card memory size 64 gb read speed 90 mbs bus interface uhs i file format exfat operating voltage 27 36 v series intenso professional suitable for 4k recording full hd recording sports photography device class tablet pc mobile phone 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 0