Product Features KOOTION Micro SD Card store your beautiful moments! 1.Easy to use, plug and play. 2.Water-resistant, anti-magnetic, shockproof, high or low-temperature resistant. 3. It Adopts Speed Class UHS-I(U1) and Class 10(C10). 4. The Micro SD card uses to expand capacity for mobile phone and tablet etc. 5. With an SD card adapter, the micro SD card can be used as a full-sized SDXC card, and compatible with devices featuring SD or TF card slot. Please Note: our micro sd card doesn't include adapter. 6. 2 Pack 64 GB Micro SD Card help you to classy easily files, documents, photos, videos. 7. Every SDHC memory card has been extensively tested before shipment to make sure product quality. Specification Brand:KOOTION Color: Red+White Storage Capacity: 64GB Package Quantity: 2 pcs Transfer Speed: up to 80MB/s(read); 15MB/s(write) Product Dimension: 15*11*1(mm) Working Voltage: 2.7-3.3V Working Temperature: -25? to 85? Storage Temperature: -40? to 85? Package 64 GB 2 PCS Micro SD Card with adapter