Product With High Efficiency The Stainless Steel Adult Cardiology Stethoscope a product with high efficiency and also an incredible size of 0 x 0 x 0 cm well blessed with outstanding features that includes double head stethoscope excellent sound conduction ear tip hard & soft inner spring binaural non-chill rim two extra pairs of ear tips multi patents which makes your company name and brand a well renowned name among your customers and in the market.