Xiaomi on Thursday unveiled a brand new Android-based product, a 49-inch 4K TV that will cost just 3,999 yuan, or around $640, Engadget reports. Even though 4K TVs aren’t necessarily must-have products just yet, its price certainly makes this Xiaomi smart TV very interesting, assuming international customers will actually get a chance to buy one. The Xiaomi Mi TV 2 packs a 4K 3D screen made by LG or CSOT with a 6.2mm aluminum bezel. The TV is also just 15.5mm thin, as the company decided to build it speaker-free, with a standalone speaker setup for it being included in the price. Xiaomi’s audio system is comprised of two devices, “a wired audio bar with the mid-range and treble drivers, and a