The One contains a Lithium Ion rechargeable battery.
If you are having problems with your stethoscope retaining charge, please send it back to us. There is no charge for this service. Do not try to replace the battery on your own.
To return your stethoscope:
1. Fill in the Repair and Return Form
2. Insert the printed form in the box to be returned.
3. Send in your stethoscope.