Might need disconnecting motion sensors, too:
AccEar: Accelerometer Acoustic Eavesdropping with Unconstrained Vocabulary https://arxiv.org/pdf/2212.01042
Spearphone: A Lightweight Speech Privacy Exploit via Accelerometer-Sensed Reverberations from Smartphone Loudspeakers https://www.winlab.rutgers.edu/~yychen/papers/%28WiSec%2721%...
A survey of acoustic eavesdropping attacks: Principle, methods, and progress https://www.sciencedirect.com/science/article/pii/S266729522...