I purchased this but never used it, and it has been stored away. I am selling it to declutter. It is unopened, but please understand that it has been stored at home before purchasing. This is a 4GB CLASS 4 memory card, achieving a maximum transfer speed of 15MB/s. 4GB SDHC Memory Card RP-SDP04GJ1K - Brand: Panasonic - Capacity: 4GB - Class: CLASS 4 - Maximum Transfer Speed: 15MB/s - Made in Japan Thank you for viewing.