128MB DV RS Multimedia Card Brand new RSMMC memory card supporting 'dual voltage' which makes it compatible with new mobile phones. New mobile phones utilize these dual voltage RS-MMC cards, making them the only 1.8/3.3V.
256MB DV RS Multimedia Card Dual Voltage Reduced Size MultiMedia Card (DV-RSMMC) for ultra-compact digital devices. Dual voltage design means ultra low power consumption (where supported), giving better battery life for today's and tomorrows mobile devices.