Resolution : 4K Ultra HD (3840x2160) | Refresh Rate : 144 Hz | QLED- Connectivity: 4 HDMI ports (2 HDMI 2.1+2 HDMI 2.0, 1 HDMI eARC supported) to connect set top box | 2 USB ports (1 USB 2.0+1 USB 3.0) to connect hard drives and other USB devices | Dual-band Wi-Fi | Bluetooth 5.0 | 1 Optical digital audio output (SPDIF) | 1 Earphone jack | 1 Ethernet port (RJ45 connector) | 2 RF- Radio frequency input | 1 AV input- Sound: 61 Watts Speakers Output | 2.1 Channel | Dolby Atmos | REGZA Power Audio Pro | Multiple Sound Modes: Stand, Theatre, Music, Speech, Late Night, Sports- Smart TV features: VIDAA TV | Voice command | Screen Sharing | Smartphone remote control | Game Mode PRO | REGZA Engine ZRi | AI 4K Upscaling | AI picture Optimizer | AI Auto View PRO | Sleep Timer | Favourite channels list | Supported Apps: Netflix, YouTube, Prime Video, Hotstar, SonyLiv, Hungama, JioCinema, Zee5, Eros Now- Display : Native 144 Hz panel | QLED Technology | Dolby Vision IQ | HDR10+ Adaptive | 5000:1 Contrast | 8bit+FRC Color Depth | Native contrast ratio AI 4K Upscaling | AI picture Optimizer | AI Auto View Pro | VRR | Multiple Picture Modes: Standard, Cinema Day, Cinema Night, Dynamic, Sports- Warranty Information: 2-year warranty from date of purchase on the television set and 1-year warranty on the remote control provided by brand. Warranty claims can be processed using the Amazon e-invoice- Additional information : Brand Warranty can be availed using invoice. User manual can be accessed from brand website under About this item/ Product details section,for a successful return, Keep the item in its original condition with internal and external packaging. Some minor accessories may not be included contact customer support.