Using your Sony SF - M Series UHS - II SDXC Memory Card is easy. First, insert the card into your compatible device, like a camera or a computer card reader. Make sure the device is turned off before inserting or removing the card to avoid data loss. When shooting, you can trust the card to handle 4K videos and high - res photos with its fast read and write speeds. For file transfers, simply connect your device to a computer and copy the files. Remember, don't expose the card to extreme heat, cold, or water as it may damage the card. Also, don't drop or subject it to strong shocks. To keep your card in good shape, regularly back up your data and format the card in your device occasionally. This will help maintain its performance and ensure smooth operation over time.