ban phai noi ro la kog len mang hinh hay la trang man hinh vay ban .neu ma kog len mang hinh may van goi nge binh thuong thi ban tim mot cai cac man hinh thiet tot di .dong vao la ok lien .nho la day nguon cho chuan nhe ban .cac man hinh may xac khoang 150k do ban chuc thanh cong nhe