Model Number: IOMCOO1-12 Key Specifications/Special Features: 1GB micro SD cardRemovable storage solution specifically designed for mobile phones with expansion slotsEasily transfer and share content collectionsMobile content is no longer tied to your phoneWhy choose flash memory card?Because it can work for many digital devices, like smartphone, printer, games, video camera, Treadmill, digital toy, LED controller... Productname SD/TF Memory Card Availablecapacity 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB,64GB,128GB ChipBrand Samsung/Toshiba/Micron Aftersaleservice 1yearqualitywarranty Write/ReadSpeed Writespeed≥4-40mb/s;ReadSpeed≥10-70mb/s Productmaterial Plastic(Wearandscratchresistantwithspecialtreatmentplastic) Productsize 15mm(L)x11mm(W)x1mm(H) InterfaceType Micro SD Card standard 8 pins Workingvoltage 2.7-3.6v workingtemperature 0-55℃