1. High speed 2. Great for storing pictures,music ,data ect. 8GB High Speed SD Memory Card Specification:Capacity: 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GBDimension: 32mm x 24mm x 2.1mmWeight: 2gVoltage: 2.7V~3.6V Read speed: 5MB/sWrite speed: 2.5MB/s Operating Temperature: 0 degrees to 60 degrees Storage Temperature: Minus 20 degrees to 85 degreesProduct Notes:Great for storing pictures,music ...