Resolution: 4K Ultra HD (3840 x 2160) | Refresh Rate: 60 hertz | BRAVIA 2 LED Connectivity: 3 HDMI ports to connect set top box, Blu Ray players, gaming console | 1 USB ports to connect hard drives or other USB devices Sound : 20 Watts Output | 2ch |Open Baffle Speaker | Dolby Audio |2 Full Range (44.5 x 106mm) Smart TV Features: Google TV | Watchlist | Google Assistant | Chromecast Built In | Game menu | ALLM/eARC (HDMI 2.1 Compatible) | Additional Features: Apple Airplay | Apple Homekit | Alexa Display : 4K LED | 4K Processor X1 | Live Color | 4K X-Reality PRO | MotionFlow XR 200 | HDR10/HLG Sony S20M2 BRAVIA 2 Series 4K Ultra HD Smart LED Google TV