D1 auscultation surface size: 47 mm, auscultation head height size H: 23 mm, ears hang + hose length L: 740 mm Main material is zinc alloy. The product is designed for the use of special round body, is mainly used for heart auscultation treble, bass, cardiovascular sound changes. Auscultation surface is made of high quality PVC cold lap, when used in a cold environment (contact with human skin) do not feel the cold, and with all sorts of color optional. Ears hang group adopts adjustable design, when used according to face size, ear corridor to adjust the Angle, the optimum effect of wear, stainless steel material selection, high degree of finish, durable. Leading tone (leading note) tube is equipped with hidden built-in shrapnel, and guide the sound tube improperness increase Y type with set outside the sound button, so that the sound more smooth conduction, shrapnel durable flexibility. Earplugs using imported high elastic PVC synthetic materials, when used to closely match with auricle, no leakage, no discomfort, and often the time to wear ear gallery earplugs also facilitate unmounted, clean to prevent the doctor ear infection.
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