Steelseries YouTube Addon is a free Chrome browser extension developed by AeTher97. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This extension is designed to display data about the song currently playing on Steelseries engine devices.

With Steelseries YouTube Addon, users can easily view information about the song they are listening to on their Steelseries engine devices. The extension provides details such as the title of the song, the artist, the current time and length of the song, and a progress bar indicating the song's progress. Furthermore, it also indicates whether the song is paused.

Please note that this extension is currently only compatible with Chrome browser and works on both YouTube and YouTube Music. However, the developer has mentioned the possibility of extending compatibility to other browsers in the future.