The final day of Prime Big Deal Days is underway. During the 48-hour sale, Prime members will receive discounts on televisions, soundbars, streaming sticks and more. You can also find deals on tech gadgets,

Amazon has knocked a big 40% off the price of this 55-inch 4K TV in a super October Prime Day deal. Shop it here

This sleek, ultra-thin OLED delivers jaw-dropping HDR color accuracy, mesmerizing brightness, instant pixel response time, and those signature perfect blacks that OLEDs are famous for.