Do you own the Galaxy S5, Galaxy Note, LG G3, HTC One M8 or another device that has a microSD card slot? Then you might want to pick up this 64GB microSD card from SanDisk. They are offering it for just $33.99 right now and this is a class 10 SD card so it's going to be plenty fast for recording 4K videos on your smartphone or tablet. Up To 30MB/s Read Speed. 10-Year Warranty. Easily Back Up Files With "SanDisk Memory Zone" App. Compatible For Android Smartphones & Tablets. Class 10 Performance For Full HD Video. Includes SD Adapter.