Buy micro SD,Sell micro SD;MS pro duo;Dual slot adapter:Yoopower International Enterprise Limited, as one of the major FALSH CARDS and SWITCHING POWER SUPPLY manufacturers and distributors in China, is a company specializing in Solid State Disk(SSD),SmartMedia(SM Card),Compact Flash(CFCard),MultiMediaCard(MMC Card),Secure Digital(SDCard),Memory Stick,XD-Picture Card(XD Card),Enclosed Switching Power Supply, Open Frame Switching Power Supply, DC-DC Converters, DC/AC Inverters, Adaptors and so on.