A robust microSDXC card designed for seamless Full HD recording. The Kingston Technology 256 GB microSDXC Canvas Select Plus Gen3 150R A1 offers reliable performance (SD adapter not included). Key specifications include: 256 GB capacity, MicroSDXC flash card type, Class 10 flash memory class, UHS-I internal memory type, and a blazing read speed of 150 MB/s. It also features UHS Speed Class 1 (U1) and Video Speed Class V30. The card comes in a sleek black finish. Further details: Memory card type: microSDXC, Storage capacity: 256 GB, Speed class: A1, Maximum write speed: 85 MB/s. Speed Class 10: This class specifies the minimum continuous data transfer rate for writing video files to a memory card. The number indicates the transfer rate in megabytes per second. For instance, Class 2 cards support a minimum continuous transfer rate of 2 MB/s, while Class 10 cards support 10 MB/s. Speed classes are categorized as 2, 4, 6, and 10. For optimal Full HD video (1080p) recording, Class 6 or higher is recommended. Application Performance Class A1: Optimized for mobile applications, this card ensures quick app launches and enhanced performance on your smartphones and tablets. The A1 symbol signifies that the SD card meets the App Performance Class 1 (A1) requirements: a minimum of 1,500/500 IOPS for random operations and at least 10 MB/s for sequential transfers.