Capacity: 64MB/128MB/256MB/512MB/1GB/2GB
Data Transfer Rate: 60X/80X/133X (R: 12.5MB/Sec W: 10MB/Sec)
Size: 15mm x 11mm x 1mm (0.59" x 0.43" x 0.04")
Weight: 1g max
Materials: High Impact Plastic
Operating Voltage: 2.7V-3.6V

MicroSD (T-Flash) was originally called T-Flash and then TransFlash before being rechristened microSD when adopted by the SD Card Association (SDA). Other flashcard formats approved by the SDA include miniSD and SD The microSD card is a type of removable flash memory card designed specifically for mobile phones and other small devices. MicroSD cards are usablein SD-compatible devices via an adapter. Like any flash memory card, it can beused to store various types of files, including photos, videos, music, or software. Currently, microSd comes from 64 to 512 megabyte capacities. MicroSD / TransFlash is one of the smallest memory card formats available; AmicroSD / TransFlash card is about the size of a fingernail. It was designed tobe smaller than competing formats, to allow phones using the format to be smaller overall.

Approx 20% the size of a full sized SD card with all the same features & performance
Perfect for cell phones and mobile devices
Mechanical Write Protection Switch
Use microSD adapter to fit standard SD Card slot
Compliant with Secure Digital Music Initiative (SDMI)