Brand SanDisk, Model SDSQUAB-064G-AN6MA Product Type microSDXC, Product Line Ultra, Product Type microSDXC, Storage Capacity 64 GB, Maximum Write Speed 104 MB/s, Maximum Read Speed 140 MB/s, Speed Class Rating Class 10/UHS-I (U1), Application Performance Class A1, Package Contents Ultra 64GB microSD Card, SD Adapter, Country of Origin China, anDisk Ultra 64 GB Class 10/UHS-I (U1) microSDXC - 140 MB/s Read - 104 MB/s Write - 10 Year Warranty - Lifetime Warranty Features: Now you will never omit a memory with the 64 GB card that holds dozens of precious photographs and a massive number of media files, The Class 10/UHS-I (U1) delivers high-speed performance for data transfer to and from PC, The microSDXC memory card features write speed of around 60 MB/s that is sufficient for recording high-definition videos to your mobile phone, tablet, or other smart devices,