Wheeler stethoscope should provide after-sales service, including the following aspects:
1. Warranty: Usually, Wheeler stethoscope will provide a certain warranty. During the warranty period, if the equipment has quality problems, you can enjoy free maintenance or replacement service.
2. After-sales support: Wheeler stethoscope may provide after-sales support, including answering usage questions and providing technical guidance.
3. Maintenance and replacement: If the equipment fails during the warranty period, Wheeler stethoscope can provide maintenance service, or can provide the option of paid maintenance or replacement of the equipment.
The specific after-sales service policy may vary by region and product model. It is recommended that you consult the seller or official website of Wheeler stethoscope when purchasing for detailed after-sales service information.