SanDisk MicroSDXC Extreme Pro 400GB A2 V30 UHS-1 (170MB / s)
 
Memory Class A2 / UHS-I / V30 / U3 / Class 10
Write speed 90 MB / s
Read speed of 170 MB / s
adapter included
Supports 4K ultra HD and Full HD
This MicroSD from SanDisk has received A2 certification making it run running
across a variety of applications optimally so as to make your device more responsive.
make sure your smartphone and tablet support up to this capacity