The Micro M2 Memory Card was originally introduced in early 2006, as the result of a joint venture between Sony and SanDisk, as a compact, high capacity, storage solution for portable digital devices, such as digital cameras, MP3 players and mobile phones. The Micro M2 Memory Card measures just 12.5mm x 15.0mm x 1.2mm, roughly ¼ the size of its predecessor, the Memory Stick Pro Duo, and weighs less than 0.5g, making it suitable for the storage needs of the latest, ever smaller, but, nevertheless, ever more functional, mobile phones.
The Micro M2 Memory Card is available, nowadays, in storage capacities between 64MB and 8GB, sufficient for roughly 5,000 high resolution digital photographs, 5 hours of MPEG4 digital video or 2,000 individual music tracks, so, whatever the storage requirements, you no longer need to worry about running out of space. Indeed, the 2GB, 4GB and 8GB versions of the Micro M2 Memory Card also include a USB adaptor, allowing you to transfer digital media to, and from, a computer with a minimum of fuss. A Micro M2 Memory Card is therefore ideal for multifunctional mobile phones, such as those from Sony Ericsson, which feature integral digital camera and camcorder functions, an MP3 player and a video player. Mobile phone users may also wish to store documents, email attachments and contacts.
The Micro M2 Memory Card is compatible not only with mobile phones, and other devices, with an M2 slot, but also with Memory Stick Pro Duo compatible devices via an adaptor. The Micro M2 Memory Card also supports 3.3-volt operation, for backwards compatibility with Memory Pro Duo devices, for example, but also the lower voltage, 1.8-volt interface, which is a feature of the latest mobile phones from Sony Ericsson. This means that the Micro M2 Memory Card can be used in a wide range of devices, including the PSP ("Playstation Portable") for example, but, if you are considering a high capacity card, do check that it is actually supported by your chosen device; some mobile phones, for example, may not support memory expansion cards above 2GB.
The Micro M2 Memory Card also features a controlled ejection function, which allows the card to be removed from a digital device safely, and without the risk of losing, or corrupting, data. Data transfer speeds of up to 20MB per second are supported, and the Micro M2 Memory Card is designed to be robust, and durable, working reliably at temperatures as high as 85°C and as low as -25°C. Sony Magicgate encryption technology provides an additional layer of security for your digital photographs, video and music. The Micro M2 Memory Card is typically more expensive, but, on the whole, faster, and more reliable, less susceptible to overheating and errors, for example, than some other types of memory expansion card, and so justifies the extra initial expense.
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