A device is disclosed for acoustically determining one or more characteristics of a powered oral care (POC) implement. The device comprises a transducer and a processor, wherein: the transducer receives sound generated by the POC implement and converts the sound into a signal representative of the sound the transducer is in electrical communication with the processor and transmits the signal representative of the sound to the processor and the processor determines one or more characteristics of the POC implement based on the signal representative of the sound.
