Samsung 256GB Evo Plus MicroSDXC with Adapter - Red Features: Class 10 UHS-3 Series EVO Plus Usage Application Mobile phone, Smartphone, Tablet, etc, Smartphones, Action Cams, DSLR, Tablets, etc Interface UHS-I, compatible to HS interface Storage: Capacity 256GB Key Features: Sequential Read Speed Up to 100MB/s Sequential Write Speed Up to 90MB/s Memory Speed Read : up to 100MB/s with UHS-1 interfaceWrite : up to 90MB/s with UHS-1 interface* The foregoing read & write speeds are demonstrated by internal test conducted under certain controlled conditions, and actual speeds may vary depending upon usage and other conditions. Certification FCC, CE, VCCI, NATA MicroSD Yes Water-resistant Yes Temperature proof Yes Full HD optimized Yes 4K General: Voltage 2.7 3.6V Environmental Specs: Operating Temperature -13 degree F 185 degree F, -13 degree F to 185 degree F Non-operating Temperature -40 degree F to 185 degree F Dimensions (W x D x H) Product 0.58" x 0.43" x 0.04", 0.59" x 0.43" x 0.04" Weight Product Approx. 0.5g What's in the box Samsung 256GB Evo Plus MicroSDXC with Adapter - Red