1. Capacity:2GB-64GB 2. Interface: USB 2.0 / USB 3.0 3. Speed: Read=10-18MB/Sec.; ... :512MB, 1GB, 2GB, 4GB, 8GB,16GB,32GB,64GB2. Interface: USB 2.0 / USB 3.03. Speed: Read=10-18MB/Sec.; Write ... 10 years data retention 9. 3 Years Product Warranty10.material:ceramic ceramic USB