Yuwell Professional Stethoscope Stethoscope Detector Fetal Cardiology Stethoscopes

Yuwell Single-Purpose Copper StethoscopeFeatures:?The Stethoscope head is made of copper, The erring and trilet aremade of high grade copper material so that you can hear the soundmore clearly, What' s more, the hose has good elstiaty becausetismade of elastic strength plastic PVC. The leaf spring is made ol highstrength spring steelTechnical ?Frequency response curve: 100-500Hz, Attenuation≤12dB;?Frequency response curve: 500-100z, Attenuation≤20dB?The hardness of leaf spring: HR15N829-884?The earing elasticity: When the distance betwen two earpliugs is 140mm,the elasticity value is: 1.3721.960N?The earing elasticity: Pull the two earplugs 300mm apart from each and it can recover within 1 minute. The deformation is no more than 10mm.

Package Included:
1 xStethoscope

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