32GB/64GB/128GB--Class 10 UHS-I interface — microSDHC/microSDXC Class 10 UHS-I is ideal for cinema-quality HD video (1080p) and photos of subjects (kids, pets etc.) in motion Range of capacities — To meet your specific needs, Kingston’s microSDHC and microSDXC cards are available in capacities from 8GB to 128GB. Durable — This versatile card has been tested to be waterproof, temperature proof, shock/vibration proof and X-ray proof. So you can rest assured that your photos, videos and other important files will be protected in harsh environments. File format — FAT32 (microSDHC 8GB-32GB), exFAT (microSDXC 64GB-128GB) Flexible — when combined with the SD adapter, can be used as a full-size SDHC/SDXC card (not include SD adapter) Guaranteed — For added peace of mind, every Kingston Flash card is covered by a lifetime warranty, free technical support and legendary Kingston reliability SPECIFICATIONS: Capacities: 32GB, 64GB, 128GB Performance: up to 80MB/s read (C10: 10MB/s minimum data transfer,C4:4MB/s min. data transfer) microSD Dimensions: 11mm x 15mm x 1mm Format: FAT32 (microSDHC 8GB–32GB); exFAT (microSDXC 64GB–128GB) Operating Temperature: -25°C to 85°C Storage Temperature: -40°C to 85°C Voltage: 3.3V Warranty: Lifetime with free technical support Tips: How to verify the Capacity and Speed of the memory card? 1). Please use quaity USB 3.0 card reader to verify all memory card by H2testw on PC. Real memory card should pass H2testw with no error. 2). Please don't use cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low quality card reader. 3). Micro SD memory card speed is greatly affected by card reader and the capacity you choose , USB port ect. Low quality device will 100% slow down card speed,1MB=1000KB.