HDMI supports up to 7.1 surround sound. It is a very simple and practical product.Can support direct playback of files copied from Blu ray 4K ultra high definition discs.All other regular Blu ray discs in the series support direct decoding and support fully automatic playback (must be placed in the first level file directory).

However, you can connect a USB mouse or keyboard for operation, and you can load your videos, music, photo slides or PPT files, allowing you to experience a smarter 4K picture. HDMI supports up to 7.1 surround sound.

However, you can connect a USB mouse or keyboard for operation, and you can load your videos, music, photo slides or PPT files, allowing you to experience a smarter 4K picture. HDMI supports up to 7.1 surround sound.

However, you can connect a USB mouse or keyboard for operation, and you can load your videos, music, photo slides or PPT files, allowing you to experience a smarter 4K ture. Resolution 4k. HDMI supports up to 7.1 surround sound.