Nirva raises $33 million for an AI pendant that listens only to the wearer

Nirva has closed a $25 million pre-Series A round. Combined with an $8 million raise earlier this year, the company has raised a total of $33 million. Its first device is a pendant weighing about 8 grams and lasting up to three days on a single charge. It can also be worn as a bracelet. The device uses user-provided voice samples to build models that filter out other people's voices in the environment, recording only the wearer. By default, audio and transcripts are not retained after processing. Priced at $249, orders begin accepting in November, with shipments to early adopters targeted before year-end.