they serve as a conduit—a speaker system designed to work alongside your tablet or smart TV. In other words, you have to supply your own WiFi connection and screen, but a good karaoke machine ...

How do I turn my TV into a karaoke machine? There are several ways to display the song lyrics of whatever you're singing on your TV. Smart TVs that share the same wi-fi as your smartphone can connect ...

Screen: Where the lyrics are ... and ensure you keep in time. Some karaoke machines have built-in screens, while others can be connected to your TV or smartphone to display the lyrics.