On tvOS 26, Apple upgraded the Apple Music Sing karaoke feature with the ability to turn the iPhone into a wireless microphone. When connected to Apple TV, your voice will be transmitted directly from your iPhone to your TV's speaker system.

This feature supports multiple users at the same time: friends can use their own iPhone to choose a song or send an interactive emojison to the screen. The lyrics are also displayed synchronously in real time, enhancing the group singing experience.
In addition, the update also brings the ability to translate translations and repeats for popular languages such as English, Chinese, Japanese and Korean - very convenient for international music lovers.
To use it, you need an iPhone 11 or later and Apple TV 4K (3rd generation), tvOS 26 is currently available as a developer beta, the public beta will be released next month.