3M Littmann Electronic Stethoscope Model 3200BK27, Black Tube provides high sensitivity and better performance when doing the general physical assessment. It is light-weighted and compact, with soft ear knobs which offer better sound quality | Uses: Useful in non-critical care environments and helps measure the heartbeat and pulse rate | Product specification and features: It provides the best sound quality with high sound precision It is lightweight and compact with high acoustic sensitivity It helps to measure pulse rate and heartbeat It is easy to use, durable, lightweight and portable It comes with soft ear knobs, which provide better sound quality | Direction For Use: As directed by the physician | Safety Information: Read the label carefully before use Keep away from the reach of children Store in a cool and dry place Keep away from direct sunlight