LG's UP870 - 4K HD Blu-ray Disc Player with HDR Compatibilty 4K Disc Playback 4K Ultra HD Blu-ray disc provides the ultimate in audio/video quality with a stunning 4K picture and state-of-the-art audio and no internet connection required. HDR Compatible Content created for High Dynamic Range, or HDR, can display an even more breathtaking picture with bolder contrast and more vibrant colors. This LG device is HDR compatible with HDR10. Blu-ray and DVD Compatible Have a library of Blu-ray discs and DVDs? The UP870 Ultra HD Blu-ray disc player supports both of these popular legacy standards, so old favorites and new discoveries wont be left behind. USB Connectivity The USB port here allows you to quickly, easily connect a digital storage device and share all your digital media. Just plug it in and use your remote control to navigate through your files.