Max Read Speed: 80 MB/s Max Read Speed: 80 MB/s MIN WRITE SPEED: 10 MB/s THIS BUNDLE FROM TEDS ELECTRONICS INCLUDES: 3x SanDisk 16GB Ultra UHS-I microSDHC Memory Card with SD Adapter SanDisk products are constructed to the highest standards and rigorously tested. You can be confident in the outstanding quality, performance and reliability of every SanDisk product.