Assertion: shaver's technology | /r/HasProperty | sonic
Facets:
Source sentences:
text: It operates on sonic technology and catches hair with 30,000 CPM.
text: Basically, the foil shavers have sonic technology which detects the density of your hair and adapt its power requirement needed for the shaving operation.
text: Technology Foil shavers have sonic technology that will read the density of your whiskers.