Complex sentence: It has 64 GB of internal storage, and a microSD card slot that supports SDHC and SDXC cards up to 128 GB. A 64 GB SDXC card is included with the player.
Split into simpler sentences: It has 64GB of internal storage, and a microSD card slot that supports SDHC and SDXC cards up to 128GB. A 64GB SDXC card is included with the player.