Meta’s push to put its Muse AI agent everywhere moved from software to hardware on Wednesday, when Mark Zuckerberg used the closing moments of the company’s Connect event to unveil Muse Charm, a small device designed to hang from a keychain.

Zuckerberg framed the gadget as a friction-killer: rather than unlocking a phone or opening an app, users tap a fingerprint sensor and speak to Muse. Meta’s CEO said the device would ship in December, calling it a “joyful little device for talking to your Muse.”Mark Zuckerberg (finkd)¹

The Charm is roughly the size of a chunky strapless smartwatch, with a screen, lanyard, microphones and what appears to be a camera. Meta has built only a few prototypes so far and still needs to settle details including its exterior materials, according to reporting from the presentation.² The company has also been deliberately vague about how the device connects to its servers.

That uncertainty matters because the category is still looking for its first unquestioned hit. Meta is entering a market where AI pendants and pocket companions have often invited ridicule, while the Rabbit R1—perhaps Charm’s closest visual cousin—struggled to offer enough capability to justify carrying it around.² Another account cast the device as a quasi-Tamagotchi experiment: a low-stakes physical home for Muse’s animated avatar, but one built on an AI-wearable concept many consumers already view skeptically.³

Meta’s bet is nevertheless larger than a novelty keychain. Alongside Charm, it announced real-time voice and video for Muse, background task handling, and plans to bring the agent to glasses.⁴ Zuckerberg has said he expects Muse to become a “personal superintelligence” used by billions, while Meta executives portray AI as the technology that could finally unlock the next computing platform.⁴

For now, Charm is the tangible wager: Meta believes an always-ready agent will make people want another device in their pocket. The market has yet to prove it.