... Microsoft Visual Studio 2005&2008 or higher.SDK providedScreen: 2.8" QVGA backlight TFT-LCD, 65 K colors. 240 x 320 (QVGA size ... touch and transparent typeBattery: Rechargeable li-ion polymer battery (3.7 V/3,200 mAh)Expansion slots: SIM/SAM/Micro SD ... Discrete 2 of 5, Chinese 2 of 5, Codabar, MSI, RSS,etc2D barcode scanBrand: Symbol SE4500Types: PDF417, MicroPDF417, Composite, RSS, TLC-39, Datamatrix ...