ADATA Memory Card Excellent Durability These memory cards employ Error-Code Correction (ECC), and are extremely cold-resistant, heat-resistant and impervious to x-rays, making them one of the world's most rugged memory cards. Wide Range of Capacities In addition to the 16 ,32 and 64 GB capacity options, a bundle option includes a single memory card and an SD adapter card, allowing for easy transfer of files to and from hardware. Increased speed, no increase in cost Premier microSDHC/SDXC UHS-I Class 10 U1 memory cards have higher capacity, but without a higher price, and provide consumers with the faster read speeds of UHS-I specification at the price of a Class 10 card. Sequential reads are up to 80 MB/second, and write speeds reach the UHS-I speed class 1 specification. They are remarkably suitable for users who enjoy high definition photography and video recording. Running multiple applications simultaneously causes no loss in read/write speed. * Data is based on internal tests. Test results will vary depending on different platforms and software. Capacity 16GB/32GB/64GB/128GB Standard SDA 3.0 Speed Class UHS Speed: Class 1 Speed Class: Class 10 Working Voltage 2.7~3.6V R/W performance Seq Read/Write rate up to 80 / 10 (MB/s)** Operating Temperature -25°C (-13°F) ~ 85°C (185°F) Dimensions (L x W x H) 15 x 11 x 1.0mm Weight 0.25g Certifications FCC , CE , VCCI , CTICK , EAC Compatibility Smartphone/ Tablet/ Car black box ADATA Memory Card ADATA Memory Card 16GB ADATA Memory Card 32GB ADATA Memory Card 64GB ADATA Memory Card 128GB ADATA