Micro sd card micro sdxc card memory size 128 gb read speed 70 mbs bus interface uhs i file format exfat operating voltage 2 7 3 6 v series strontium nitro device class digital camera dslr camcorder mobile phone tablet pc computer printer macbook manufacturers warranty 5 years sdhc class 10 uhs speed class u1 protective properties waterproof temperature resistant magnet proof x ray resistant operating temperature 25 to 85 c dimensions 15 m