Display: QLED 4K Ultra HD, 3840 x 2160 pixels, 60 Hz Refresh Rate Connectivity: 3 HDMI | 1 USB | Wi-Fi | Bluetooth | 1 Ethernet Operating System: Tizen Apps: Netflix, Prime Video, YouTube, SAMSUNG TV Plus Sound: 20 W Speaker, Q-Symphony USP: 3D Surround Sound, AI Energy Mode, Karaoke Mic