Micro sd card micro sdxc card memory size 64 gb read speed 90 mbs write speed 45 mbs bus interface uhs i mode of transmission uhs104 memory type mlc file format exfat operating voltage 2 7 3 6 v series kingston industrial suitable for full hd recording 4k recording 360 recording 3d recording sports photography device class digital camera dslr camcorder computer tablet pc mobile phone printer macbook manufacturers warranty 5 years standard