A:AnswerYour 4KTV can stream directly from the TV if you have fast enough internet to support it. Other than that you will need an Xbox One S or another 4K able device.
A:AnswerHI Manish, the USA is on a 110v 60hz power standard, where-as most other countries use a 240v 50hz standard. A converter would be needed to power the TV in a country using the 240v system. ^Rosi