Item Description Brand New 256GB Class 10 Micro SD Memory Card Compatible With Mobile Phones and Tablets Compliant with the SD Specification Version 2.00 Versatie when combined with the adapter、be used as a full-size standard SDHC or Micro SD Card Compatible with micro SDHC host devices Upgraded Built-in write protection switch to prevent data loss File Format :FAT 32 Housing Material:plastic Working voltage:2.7-3.6VWorking temperature: 0-60??C/32-14??0F Storage temperature:-20-85??C/-4-238??Fweight:20gsize:approx 15.5*10*1mm