Almost unused. As you can see from the photos, I just bought it, but it didn't fit, so I'm selling it. Brand: KIOXIA Model Name: EXCERIA microSD Series Flash Memory Type: Micro SDXC Card Memory Storage Capacity: 64 GB Color: Pink Read Speed: 100 MB/s UHS-I, UHS Speed Class 3, Video Speed Class 30 Maximum Read Speed: 100MB/s, Maximum Write Speed: 60MB/s GoPro tested (Please check the manufacturer's website for a list of compatible devices.) Supports 4K video recording. CPRM not supported. This product uses flash memory manufactured in our own domestic factory. The product assembly location is either domestic or overseas, and the origin can be confirmed on the product itself or the package.