SanDisk miniSD is primarily used in mobile  phones and can also be used in all SD based devices with the use of the adapter (included).

Advanced Features:

• All miniSD cards are bundled with an SD adaptor
• Built-in security features enable users to download, store and play secure content
• Capacities ranging from 128MB to 2GB

Product Specifications:

• Operating Temperature: -13 to 185F
• Card Dimensions: 0.8" x 0.8" x 0.05" (L x W x D)
• Voltage: 2.7V to 3.6V
• Compatibility: Tested with a broad range of multimedia cell phones and convergent digital devices