Is mainly handled by the mobile phones but is also utilized by portable media players, GPS drives, expandable UBS flash memory drives, video games consoles and digital audio video players. It is a format used for removable flash memory card. It is derived from Scandisk Tran flash. It is thought to be the smallest memory cards used in the recent times. The card of a fingernail size is of a volume of 15 mm*11mm*0.7mm.that makes it a quarter part of an SD card. The micro SD card is run by the adapters for its use in devices needed for SD, mini SD and memory stick duo cards but yet they are not universally compatible.
The devices used for both Trans flash and SD can be operated in each other because both are the same. Micro SD supports the SDIO mode as well as enables non memory cards such as GPS, Blue tooth and near field communication devices. The capacities from 64 MB to 8 GB are there to be had as of March 2008 and yet Sandisk is on work for 16GB cards which is supposed to be in access in the mid 2008. The cards of 4 GB and larger are to be had in the later format of SDHC. The announcement of a terrific 12GB (104/cm3) micro SDHC card was made by the sandick, during CES on January 7,2008.
Motorola was the first one to acquire the services of micro SD card as mobile phones are the primary users of the card. GPS receivers are made by the maps on the SD cards. Micro SD cards are also used to store extra maps. Navman GPS devices are the example to do that. Micro SD card is supported by many devices that also support SD/mini SD by using appropriate adapters. The lists of the mobile phone fit for micro SD is published by Sandisk. The E-200 series of MP3 media player support micro SD cards that allow it to get some additional memory up to 2GB.
The other example of an Mp3 player supporting micro SD is RCA pearl mp3 player of encoding TH 1100, TH1101 and TH 1102.
Due to its worldwide standard micro SD card is technically compared with some quality cards such as MMC, RS_MMC, MMC plus, secure MMC, SD and SDIO. The limit of capacity in all SD/MMC formats seems to be 128 GB in LBA mode which is 28-bite sector address.