1. High speed 2. Great for storing pictures,music ,data ect. 2GB MicroSD / TF Card with SD Card Slot AdapterSpecification:Capacity: 1GB,2GB,4GB,8GB,16GB,32GB.Read speed: 5 MB/s Write speed: 2.5 MB/sDimensions (micro SD card): 15mm x 11mm x 1mm (L x W x H)Dimensions (SD card adapter): 32mm x 24mm x 2mm (L x W x H) 2GB Micro SD / TF Card with SD Card Slot Adapter