Securedigital sd sdhc card memory size 32 gb write speed 45 mbs bus interface uhs i file format fat32 operating voltage 27 36 v suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class car radio macbook tv dslr digital camera camcorder computer printer sdhc class 10 uhs speed class u1 dimensions 32mm x 24mm x 21mm weight 2 g