Capacity : This memory card has a storage capacity of 128 gigabytes (GB), which means it can hold a substantial amount of data, such as photos, videos, music, documents, and apps. MicroSD is a specific format of microSD cards that supports larger capacities beyond 128GB, making it suitable for storing high-definition videos, high-resolution photos, and other large files. Class 10 Speed Rating: The "Class 10" speed rating indicates that this memory card is capable of delivering a minimum sustained write speed of 10 megabytes per second (MB/s). This is important for tasks like recording high-definition video or capturing burst photos, as it ensures a smooth and consistent data transfer rate. 120 MB/s Read Speed: The "120 MB/s" read speed suggests that this card can read data from the card at speeds of up to 120 megabytes per second. This is beneficial for quickly transferring files from the card to your computer or other devices. Compatibility: This memory card should work with devices that support the microSD format, which is common in many modern smartphones, and digital cameras. However, it's essential to check your device's specifications and compatibility before purchasing