High-speed storage, smooth operation, high-speed reading, high-speed transmission, high-definition shooting. Brand: miomgn SDHC Support SD protocol: SD2.0/SD3.0 Capacity: 128M/256M/512/1G/2G/4G/8G/16G/32G/64G/128G/256G/512G Meet most application needs, 32GB daily office and backup files, 64GB large file music and movie storage, 128-256GB download large games, massive storage of large files. High-quality version of U3 memory card, stronger compatibility stability, excellent performance, widely compatible with surveillance cameras, drones, cameras, driving recorders and other recording equipment. [Version Features] C6 ordinary version: Write 4MB/s-6MB/s, Read 10MB/s-15MB/s, suitable for loudspeakers, voice recorders, radios, card speakers, MP3, MP4, compatible with ordinary audio equipment, etc. C10 high-speed version: Write 10MB/s-15MB/s, Read 18MB/s-22MB/s, suitable for theater machines, elderly phones, children's cameras, loudspeakers, voice recorders, radios, card speakers, MP3, MP4, MP5, compatible with ordinary audio equipment, video equipment, etc. C10 high-speed U3 premium version: In 2.0 environment, Write 15MB/s-25MB/s, Read 45MB/s, In 3.0 environment, Write 22MB/s-35MB/s, Read 80MB/s, suitable for smart phones, surveillance cameras, driving recorders, theater machines, aerial drones, elderly phones, navigators, learning machines, MP3, MP4, compatible with ordinary recording equipment, video equipment and other high-speed reading and writing camera equipment.