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The Dr. Care First Aid Deluxe Dual-Head Teaching Stethoscope features a dual-head chestpiece. The dual-head configuration typically includes both a diaphragm and a bell. This design allows for versatile auscultation during medical training, making it suitable for a variety of educational purposes. The diaphragm is typically used for higher-frequency sounds like heart and lung sounds, while the bell is used for lower-frequency sounds. The dual-head chestpiece enhances the stethoscope's functionality, making it a valuable tool for both students and educators in medical and nursing training scenarios.