Used for: Storing data, use with mobile phones Size: 4GB (Gigabytes) = 4000MB (Megabytes) Brand: SanDisk Co-Developed by: SanDisk and Sony I tend to use this piece of hardware to store data and my wife uses it with her Sony Ericsson mobile phone (W590I). The card works great with her mobile phone and allows you to store MP3s and can play back without any issues. EASE OF USE Using the M2 is very easy to use and all you need to do is plug it into the end of the PRO Duo memory stick and then use a PC to copy data to the M2. Then unplug from the DUO stick and plug into your supported mobile phone or any other handheld ...  Read the complete review

Recently a new type of memory card came out, it is called M2. M2 means memory stick micro and this type of memory card is specifically for use in devices such as mobile phones. However one of the first problems this type of card will encounter is that it can only be used in sony ericsson phones currently. The M2 memory card is very small and it is only about the size of a fingernail so you can release just how small this little memory card is. It weighs only a couple of grams at the most. With the memory card being so small it is something that would be very easy to lose because you cannot feel it in your pocket. Although it's very small and extremely light ...  Read the complete review