Single use. This is a medical product. It can be used for daily health management, checking a baby's condition, confirming the fetal heartbeat and movement during pregnancy, and managing the health of pets. There is no concern about latex allergies caused by contact with natural rubber! The adoption of soft ear tips reduces the burden on the ears! Less pain even for long periods! ● Reliable, made in Japan! This is a stethoscope for general medical devices! ● Nurse scope outer spring type. [General Medical Device (Class 1)] Product Name: Stethoscope Medical Device Notification Number: 12B3X00039000003 [Standard Overview] Weight: Approximately 78g Total Length: Approximately 770mm Materials: Chest piece / Aluminum, Diaphragm / Epoxy glass resin, Y-shaped tube / Vinyl chloride, Eartube / Brass, Earpiece / PVC resin Storage Temperature: -20 to 60 degrees Celsius Storage Humidity: RH85% or less