[5 Years Free Data Recovery] Gigastone 256GB Memory Card 2 Pack 4K Pro Camera Compatible with GoPro Switch, Speed 100MB/s. A2 U3 V30 Micro SDXC SD Adapter.

[High Speed]: 100MB/s transfer speed. Read and 60MB/s. in wrIting, speed V30. It is perfect for 4K video recording and 4K video games. [A2 Support]: A2 grade provides faster charging performance of the app for mobile, smartphone and tablet. A2 performance is 4000 IOPS read, 2000 write IOPS. (A1: 1500 IOPS read, 500 write IOPS) [Storage] Increase the internal storage space of the mobile phone. Run the application on micro SD card. [Compatibility]: Storage for laptop, tablet, PC, smartphone, camera, DSLR, dashcam, e-reader, drone, videos, surveillance camera, dash cam, camcorder. Compatible with Nintendo Switch GoPro Android Samsung Canon Nikon [Support]: Gigastone Limited 5 year warranty including free data recovery.