StarTech.com USB 3.0 External Flash Multi Media Memory Card Reader - SDHC MicroSD - Access flash card from a USB 3.0 (5Gbps) port - SD 3.01 & UHS-I - SD, MMC, microSD,
USB SD Memory Card Reader 4 In 1 Adapter SDHC MMC Micro SD T-Flash M2 MS Duo 29 | eBay
What Is MMC Card and The Difference between MMC and SD Card
IOGEAR USB 2.0 SDMicroSDMMC Card ReaderWriter - Office Depot