Micro SD Cardis the ideal solution for Mobile Phones, GPS Receivers, PDAs, Digital Cameras, and other devices designed for use with Micro SD Card Features: 1) Capacity available in 512MB/ 1GB/ 2GB * 2) Complies with SD Association Specification 3) Compatible in standard SD applications with Micro SD adapter 4) Form Factor : 11mm x 15mm x 1.0 mm (L x W x T) 5) Weight : 0.5g (Approx.) 6) Operation Voltage 2.7V - 3.6V *Some of the listed capacity is used for formatting and other functions and thus is not available for data storage.