Erka ErkaPhon Double Sided Drum Stethoscope

1.Erka erkaphon stethoscope, used as blood pressure measurement.
2.Product, ear tubes, ear olives, It consists of a rubber y hose, a connector and a sound receiver (drum). There are no holes, scratches or color changes on the metal parts.
6.The original color of the rubber y hose is gray.
7.There are four more color variants (black, navy blue, green and red)' . It does not show color change or shape change.
10.The product is double sided.
11.It is suitable for daily use of general practitioners, nurses and medical students.