Product Specs CAPACITY 256GB TYPE microSDXC SPEED RATING A2 UHS-I U3 V30 TRANSFER RATES Read speed up to 170MB/sec Write speed up to 150MB/sec TEMPERATURE RANGE 0°C~70°C (operating) -40°C~85°C (storage) DIMENSIONS 15mm x 11mm x 1mm ACCESSORIES USB Type-C microSDXC Reader PACKAGING Retail packaging WARRANTY 10 years manufacturers warranty