STRICTLY QUALITY CONTROL - Our Micro SD cards 4GB are made of a good quality A+ chip and double tested before shipping, which with a faster and more stable performance to always keep your files and photos safe. Compact cards holder for easy to organize.
TRANSFER FASTLY - UHS-I, U1, Class 6. The 4 GB SD cards pack can up to 30~50MB/s read speed and 10~20MB/s of write speed ( Actual performance may vary based on device, interface, usage conditions, and other reasons ) support a fast & smooth continuous HD shooting and full HD video recording.
WIDE COMPATIBILITY - The micro sd 4GB not only compatible with dash cams, tablets, laptops, but also security cameras, 3D printer, GoPro, trail cameras, game consoles, switch or backup more HD images, videos, files, music, and so on.
WARM NOTES - By default the format of 4GB mini memory card is FAT32, But if you want to copy a file larger than 4GB or Host device only supports exFAT, Please format it in exFAT firstly and then let it work.
