15.6 inch laptop 1.MIntel Dual-Core i5 2.1GB DDR3,Support 4G, 3.Windows 7,win ... on trademanager. ThanksAbout product:specification: CPU:Intel Dual-Core i5-3317U Processir (1.7GHz)Camera:200WMemory:DDR3 1GB up ... 4GB Power:input 110-240V output 19V 3.5AHDD:2.5"SATA 320GB up to 500GBDrive:DVD-RWDisplay: ... 1.3M PixelArray Microphone:Support Built-in microphoneUSB2.0*2,USB3.0*13in1 card reader*1 ,with Vga port ...