Micro sd card micro sdxc card memory size 128 gb read speed 80 mbs write speed 25 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series integral ultimapro x suitable for full hd recording 4k 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 a