Features:Huge 128GB Class 10 Micro SD Memory Card Compatible With Mobile Phones and Tablets Compliant with the SD Specification Version 2.00Compatible with microSD host devicesVersatile when combined with the adapter， can be used as a full-size SD cardUpgraded Built-in write protection switch to prevent data lossFile Format : FAT 32Working voltage: 2.7-3.6VWorking temperature: 0-60°C/32-14°0FStorage temperature: -20-85°C/-4-238°FHousing Material: plasticsize:approx 15.5*10*1mm weight:20gPackage list:1 x SD Card1 x SD Card Adapter1 x USB Reader