Brand - Xiaomi, Model - MI TV 4S, Screen Size - 55 Inch, Display Type - 4K UHD Display, Display Resolution - 3840 x 2160, Backlight Type - LED, Refresh Rate - 60Hz, Viewing Angle - 178 Degree (H & V), CPU - CA53 x 4, GPU - Mali 470 MP3, RAM - 2GB, ROM - 8GB, Bluetooth - Bluetooth 4.2, HDMI Port - 3, USB Port - 3 x USB 2.0 Type-A, Headphone Jack - 1, Audio Power Output - 10W + 10W, RF Antenna Input - 1, Operating System - Android 9.0, Power Requirement (Voltages/Frequencies) - Power: 150W, Voltage: 100???240V / 50/60Hz, Remote - Yes, Dimensions - 1231.6 x 710.8 x 767.3mm, Weight - 12.45kg (without Base), 12.74kg (with Base), Wall Mount - 300 x 300mm, Others - Number and Type of Ports: 1 x CI, 1 x Ethernet port. WIFI: 2.4GHz/5GHz, Speakers - Audio Power/ Speaker: 2 ?? 10 W 6ohm. Decoder - Video decoder: MPEG 1/2/4???VP8/VP9,H.264, etc. Image decoder: PNG, Gif, JPG, etc. Audio decoder: DOLBY AUDIO,DTS -HD, etc., Part No - L554S-55EU, Warranty - 1 Year Parts & Panel Replacement Gurrantee, Country Of Origin - China, Made in/Assemble - China, Connectivity - LAN, WiFi, Bluetooth, USB