Acesonic KOD-6000 is a professional karaoke player with an Android-based operating system. It supports 4K video output, and can decode a wide range of multimedia formats. The device has a built-in hard drive, and can also play music and movies from USB storage devices. The KOD-6000 has a variety of features that make it perfect for karaoke, including microphone inputs, echo effects, and automatic volume control. It also has a remote control that allows you to control all of the player's functions from a distance.