I'll be honest, that definitely sounds like a dude speaking over a headset and not an LLM AI.
They've been caught cheating on their demos before.

The hardware is impressive but I find that voice VERY dubious. 

 Have you talked with chatGPT’s voice model recently? It’s very good. This doesn’t sound any different to me 

 After watching more videos, you’re definitely think you’re right, tele-operation for gestures and voice