Hi friends, i bought this laptop(LENOVO G-50) november 2016, one of the unique in this laptop is dolby atoms, sound system is superb and coming to system specification is similar to all product of laptop. It is user friendly model to daily workers, battery usage is upto 8 to 9 hours so make comfortable to use any where I willing to share true service experience, last month minor problem in my laptop I just made complaint to lenovos toll free number service men visited to my home within 2 days and solved problems in laptop. so please consider lenovo brand for our convinent usage