General Supreme 50 inch screen Web OS - GS50WOST

Specifications Voltage / Hertz: 100 to 240 volts AC - 50-60 Hz Color: Black Speaker power: 20 watts (10 watts per speaker) Speaker type: N/A Bluetooth: Yes Wireless local network: No Number of USB ports: 2 Number of HDMI ports: 4 Other outputs: "Optical digital audio output, LAN, RF audio output, AV audio output, Headphone output" Dimensions Width (mm): 1231 Height (mm): 769 Depth (mm): 212 Net weight (kg): 12.5 Gross weight (kg): 15.9 Screen Screen size: 55 Resolution / Megapixels: 3840x2160 Clarity type: 4K UHD Motion refresh / Hertz: 60 Hz Panel type: LED Built-in Chromecast: Yes Mobile connection: Yes Dolby Atmos technology: Yes Dolby Vision technology: Yes Product type: Display screen Sound system: N/A Remote control type: Remote control Smart TV: Web OS Brand name: General Supreme Country of manufacture: China