Region Free DVD and Blu Ray watch any DVD BD or UHD on any TV with the Built-in NTSC⇔PAL 4k HD Converter. View your Blu-ray discs in 4K resolution on your compatible 4K TV The 80 supports high-resolution audio formats such as Dolby TrueHD and DTS-HD Master Audio for a dynamic multi-channel surround sound experience. The front-panel USB port allows you to connect devices such as thumb drives and external HDDs for playback of multimedia files. njoy UHD Blu-ray discs on your compatible display with the LG UBK80 HDR UHD Blu-ray Disc Player. It supports HDR10 to help provide a wide color gamut when used with compatible discs and displays. High-resolution audio formats such as Dolby Atmos, Dolby TrueHD, and DTS-HD Master Audio are also supported for a dynamic multi-channel surround sound experience with additional compatible equipment. The USB port allows you to connect devices such as thumb drives and external HDDs for playback of multimedia files. There's also an optical audio output for feeding multi-channel sound to audio systems without HDMI.