Resolution: 4K Ultra HD (3840 x 2160) Resolution | Refresh Rate: 50 Hertz Display Features: Crystal Processor 4K | PurColor | 4K Upscaling | HDR 10+ Support | HDMI Black Level | Mega Contrast | UHD Dimming | Contrast Enhancer | Motion Xcelerator | Filmmaker Mode || Additional Features: Endless Free Content | Samsung Knox Security (Your privacy. Secured.) | ConnectShare | TV Key Sound Features: 20W Output- 2CH | Powerful Speakers with Q-Symphony | Object Tracking Sound | Bluetooth Audio | Adaptive Sound Resolution: Full HD (1920x1080) | Refresh Rate: 50 Hertz Connectivity Options: 2 HDMI ports for seamless connectivity with external Devices like Laptop/PCs/Gaming Console/Home Theater/Set-Top Box | 1 X USB-A port to connect with Hard Drives and other USB-compatible devices | Wi-Fi | 1 Ethernet (LAN) Port | 1 Digital Audio Out (Optical) Port | 1 Composite In (AV) | 1 RF In (Terrestrial) | HDMI A / Return Ch. Support | HDMI Quick Switch Sound features: 20 Watts Powerful output | Dolby Digital Plus | 2CH Speaker Type | Multiroom Link Resolution : HD Ready (1366x768), Refresh Rate: 60 hertz