Micro sd card micro sdxc card memory size 64 gb file format exfat operating voltage 27 36 v device class digital camera camcorder mp3 player tablet pc computer mobile phone dslr printer macbook functions write protection switch manufacturers warranty 10 years sdhc class 10 adapter sd card adapter operating temperature 25 to 85 c dimensions 15 mm x 11 mm x 1 mm weight 04 g