Resolution: 4K Ultra HD (3840 x 2160) | Refresh Rate: 60 hertz | BRAVIA 3 LED Connectivity: 4 HDMI ports to connect set top box, Blu Ray players, gaming console | 2 USB ports to connect hard drives and other USB devices Sound : 20 Watts Output | 2ch | Bass Reflex Speaker | Dolby Atmos | Ambient Optimization |2 Full Range (Bass Reflex) Smart TV Features: Google TV | Watchlist | Google Assistant | Chromecast Built In | Built In Mic |Game menu | ALLM/eARC (HDMI 2.1 Compatible) | Additional Features: Apple Airplay | Apple Homekit | Alexa Display : 4K LED | 4K HDR Processor X1 | Triluminos PRO | 4K X-Reality PRO | MotionFlow XR 200 | HDR10/HLG, Dolby Vision Sony S30 BRAVIA 3 Series 4K Ultra HD AI Smart LED Google TV