SanDisk is one of the most popular brands for micro SD cards, and memory cards in general. They currently have the largest capacity micro SD card available, which is 200GB. It's a bit impressive to think about that much space on such a little card. Their 200GB micro SD card is compatible with most high-end smartphones these days. That includes the new Huawei Mate 9, Honor 6X, Samsung Galaxy S7, LG V20 and many others. Allowing you to expand the storage on your device and be able to store your entire music library offline if you do want to do that. While the card is a 200GB card, you'll get around 190GB of actual usable storage, which is the case with most SD cards these days.
If you were thinking about picking up a micro SD card, now is definitely the time to do so. SanDisk's 200GB micro SD card is available at both B&H Photo and Amazon for just $69. When this card first came out, it was available for closer to $200, so that's a pretty low price and definitely worth picking up if you need the extra storage. It does come with a SD card adapter, so you could theoretically use it with your camera, or another device that uses a full-sized SD card. You can pick up the SanDisk 200GB micro SD card from the links below.