EASTBULL 4GB 10-Pack of Micro SD Cards, 4GB SD Cards Pack Full HD Video 90MB/s UHS-I U1 Micro SDHC Class 10 for Surveillance Security Cam (10 Units and 2 Adapters)

STRICTLY QUALITY CONTROL - Our 10 Pack of 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 10. The 4 GB SD cards pack can up to 80~90MB/s read speed and 15~20MB/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 10 pack 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.
WHAT YOU WILL GET - Package included 4GB 10-Pack micro sd cards, 2 case as a gift, 90 days replacement or refund, and lifetime customer support. A professional Amazon seller you can rely on!