... Memory:4G TF (standard), maximum 32GInterfaces: USB 2.0,RS232Operating System:Windows Embedded CE 6.0 ... Studio 2005&2008 or higher.SDK providedScreen: 3.2" QVGA backlight TFT-LCD, 65 K colors. ... Code128, Code39 ,Code93 ,Code11, Interleaved 2 of 5, Discrete 2 of 5, Chinese 2 of 5, Codabar, MSI, RSS,etcWiFi ... designed by ourself)Optional Function:1.GPRS/GSM Dual/Quad Band2.Bluetooth: Class II, 3-5 ...