I tell features of Dell inspiron 5559 laptop. Operating system ( with version ) -windows 10 Home 64 bit.Ram 4gb. Ram type DDR3. Display size in inches 15.6. Display technology HD led Backlit Display with true life . Resolution 1366×768. Wirless connectivity ifi Bluetooh 4.0 .connectivity ×usb 2.0 1×usb 3.0 HDMI. Pointing device Touchpaid with multi touch gesture support . Ram speed in mhz 1600. Processer model name intelcore i15 ( 6th generation) . Battery backup 7hours . Speaker sterio speackers