Abstract
Skin-Attachable Auditory Sensors In article number 2205537, Kilwon Cho and co-workers report an electret-powered skin-attachable auditory sensor operating without a bulky battery. The hole-patterned electret diaphragm array with elastomer nanodroplets facilitates high sensing performance and clear voice detection in a harsh acoustic environment. The acoustic sensor shows strong potential as a communication tool for disaster response and quarantine activities.
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