Object Tracking Sound Lite: Feel like you're in the middle of the action with sound that follows objects on screen. Featuring a virtual top channel, every sound is placed in space and moves with the action, enhancing your sense of immersion Endless Free Content: Watch 2,700+ free channels, including over 400 premium Samsung TV Plus channels and on free streaming apps with just an internet connection. Free Sync Premium Pro: Reduce stutter and screen tearing. It produces exceptional high dynamic range visuals while maintaining low latency for effortlessly smooth gameplay. Samsung Knox Security: Your TV experiences are secured. Samsung Knox Security protects you from harmful attacks by automatically blocking unauthorized apps and phishing websites. NQ4 AI Gen2 Processor: Uses AI with the power of 20 neural networks to enhance picture quality of your content to 4K and optimizes sound for superb performance in everything you watch.