Features:

* Dual voltage operation; 1.8v for new Sony Ericsson mobile phones, 3.3v for Memory Stick PRO Duo compatible devices
* Controlled ejection design allows for easier removal
* Sony Magicgate encryption technology support

Product Specifications:

* Capacity: 4GB
* Read/write: 10MB/sec read, 3MB/sec write
* Card dimensions: 0.59 x 0.49 x 0.05 (L x W x H)
* Voltage: 1.8v, 3.3v