may anh cua toi dang xem anh,nhung khi khong su dung khoang 5 giay thi tu tat,khi nhan power de mo thi may khong hoat dong,phai thao pin ra va lap lai thi may moi mo duoc,nhung ngung 5 giay thi bi tu dong tat nua,xin hoi cach khac phuc,xin cam on.