BK-3009 Single head luxury stethoscope

Single-tube and single-head stethoscope:
The stethoscope is the most commonly used traditional stethoscope. Its body parts are generally divided into two kinds: drum (membrane, flat) and bell body parts. The former is often used for high tuning and the latter for listening to low tuning. However, this type of stethoscope hose is a single tube, which needs to be replaced when listening to high and low tones.