Memory Stick Micro media is approximately one-quarter the size of Memory Stick PRO Duo media, yet only about 1.2 mm thick. The media's edges are slotted lengthwise to allow for more slim-line designed connectors to reduce space in host devices. As dual-voltage media, Memory Stick Micro supports devices operating at 3.3 volts and 1.8 volts. Memory Stick Micro is designed as an externally removable media with a controlled eject function to prevent users losing the media. Insert the Memory Stick Micro into an adapter (not included) for exchanging Data to a Memory Stick Pro Duo compatible product. Dimensions - Length 0.59 x Width 0.49 x Height 0.05 inches