LeTV has launched the F50 Pro TV in China for 1,349 yuan (~US$190). The 4K HDR UHD device has a 96.6% screen-to-body ratio and up to 300 nits brightness. With built-in 8W speakers and a microphone, you can control the gadget with voice commands and connect external devices via HDMI 2.0 and USB 2.0 ports.