This Hisense 55EU6070 55″ 4K Ultra Smart HDTV originally $449.99 drops to only $299.99 at BestBuy.com. You save 33% off the retail price for this 4K Ultra Smart HDTV. Plus, this item ships free. This is the lowest price we could find online by about $48. The Hisense 55EU6070 HDTV features a 54.6-inch screen, 2160p 4K resolution, built-in Wi-Fi, 120 motion rate, and three HDMI inputs. Sales tax is charged in most states. Deal expires August 24, 2018.