A system for sterilizing and wireless tethering of a stethoscope includes a portable electronic device configured to be coupled to a stethoscope and having a wireless transmitter configured to transmit a signal. The system further includes an enclosure defining a cavity for housing the stethoscope. The enclosure includes at least one light source configured to emit light at a wavelength designed to damage or destroy microbes. The enclosure further includes a wireless receiver configured to receive the signal transmitted by the wireless transmitter of the portable electronic device. The enclosure further includes a controller coupled to the wireless receiver and configured to determine a notification event in response to the portable electronic device being further from the enclosure than a predetermined distance based on the signal received by the wireless receiver.