Features Clear Transmission: The single-head stethoscope brings clear sound transmission, and no impurities hinder the sound transmission. Various sounds can be easily picked up. Contributes to outstanding sound performance, meeting your basic needs for listening to the heart, lungs, and more. Moderate Hardness and Good Elasticity: The hardness of the ear hook shrapnel is between HR15N82.9~88.4, and the elasticity is moderate, ensuring a comfortable fit and will not hurt your ears. The ear tube has been specially treated and is not easy to fall off. Stable Without Fall Off: Each connection part is firm and reliable, the listening effect is good, and the ear tube is specially treated, so it is not easy to fall off. Wide Range of Applications: This stethoscope is suitable for nurses, nursing students, teaching and biological experiments, home use, responsibly manufactures stethoscopes with reliable acoustic performance and prepares you for a responsible career. Made of Flexible and Durable Tubing: The tubing is effective against sweat, stains and oils. The black tubing also eases your concerns and is the perfect nurse gift for our lovely nurses, RNs, medical students, doctors and more. Specification: Item Type: Single Head Stethoscope Material: Rubber, steel Package List: 1 x Flat Auscultation Head 1 x Sound Guide Tube 1 x Ear Hook Package List 1 x Flat Auscultation Head 1 x Sound Guide Tube 1 x Ear Hook