4GB SD Cards 1.Capacity:1GB~64GB 2.Plug-and-play; 3.Standards: FCC, CE and RoHs 4GB SD Cards 1.Capacity:1GB~64GB 2.Plug-and-play;3.Dimension: 24*32*2.1mm4..Interface: USB 2.05.Standards: FCC, CE and RoHs6:OperationSystem:WindowsME ,Windows2000,WindowsXP,Linux2.4 or above,Mac DS9.07.Shock resistance: 1,000g8..Data Storage time: above 10 years9.Working voltage: 5V 4GB SD card