Micro sd card micro sdxc card memory size 256 gb read speed 150 mbs bus interface uhs ii file format exfat operating voltage 27 36 v series lexar professional suitable for full hd recording 3d recording 4k recording device class mobile phone tablet pc software included image rescue manufacturers warranty 10 years standard sd 40 sdhc class 10 uhs speed class u3 adapter usb adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g