Transcend's microSDXC 300S memory card provides the performance and capacity required to harness the full power of your UHS-I compatible smartphone, tablet or other device. - Supports Ultra High Speed ​​Class 1 specification (U1) - Class 10 compliant - Transfer speed: Up to 95MB/s read speed, Up to 25MB/s write speed* - Meets JIS IPX7 standard (Can withstand 1m under water in up to 30 minutes) - incl. adapter to be used as an SDXC card * Note! Speed ​​may vary depending on host hardware, software and usage.