Earpiece: aluminum alloy   

Ear hook: aluminum alloy   

Pipe: PVC needs additional price

The product is used to auscultate the sound changes of human heart, lung and other organs. The interface diameter is about 44mm, and the sound transmission effect is good and clear. It is made of high-quality aluminum alloy. After finishing and surface treatment, it has the advantages of smooth surface, reasonable structure, firm and reliable, gorgeous color and beautiful appearance. The vibrating diaphragm is made of high-quality materials, with good wear resistance and sound transmission effect; The spring steel sheet in the ear hook group can be freely adjusted according to the size of different faces, with good elasticity. Y pipe adopts PVC material with good cold resistance, not easy to aging and hardening.

Specifications:

1. Self sealing bag Qty: 175pcs; NW:15.5KG，GW:16.5KG，MEAST:52*30*36.5。

2. Color printing carton packaging. Packing specification: Qty: 100pcs, NW: 12kg, GW: 13kg, meast: 55 * 39 * 27.