Sonys Memory Stick Pro DUO by Sandisk is half the size of a standard-size Memory Stick PRO media and it offers the same technologies including high speed data transfer, built-in MagicGate, and high capacities. The Memory Stick PRO Duo is the ideal solution for the most portable devices such as pocket-size digital cameras and with the use of Adaptor, it can be used in all PRO-compatible devices

Q: What is Memory Stick Duo?
A: Memory Stick Duo is a smaller-sized Memory Stick media designed for ultra-compact and wearable devices. By using the media with a dedicated adapter, Memory Stick Duo can be used in standard-size media slots of other Memory Stick compatible products.

Q: What are the dimensions and weight of Memory Stick Duo?
A: Memory Stick Duo media measures 31.0(W) x 20.0(H) x 1.6(D) mm (1.22 x 0.79 x 0.06 in) and weighs 2g (0.07 oz) without the supplied adapter.

Q: Is it possible to use the Memory Stick Duo in a slot for the standard-size Memory Stick without any problem?
A: Yes. By attaching the supplied adapter to the media, the size of Memory Stick Duo becomes the same as that of the standard-size Memory Stick.

Partial List of Compatible Digital Devices from Sony: