Quantity 1Card Type microSDXC with Full-Size SD AdapterStorage Capacity 256 GBBus Type UHS-ISpeed Class 10UHS Speed Class U3Video Speed Class V30Application Performance Class A2Read Speed Maximum: 190 MB/sWrite Speed Maximum: 130 MB/sMinimum: 30 MB/sOperating Temperature -25 to 85°CStorage Temperature -40 to 85°CBuilt-in Write-Protect Switch On Adapter Only SDSQXAO-256G-GN6MA