Micro Secure Digital High Capacity Card (SDHC) complies with SD 20 specifications Only suitable for terminal devices with a micro SDHC slot (not backward compatible with standard micro SD cards) Adapter for SD card format included Feature Product Features Max Data Transfer Rate 10 Class Class 4 Memory Capacity 8 GB Incl Adapter SD-Adapter Line High Speed Model micro SD High Capacity (micro SDHC)