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• Feature: Excellent acoustic effect: The stethoscope is equipped with fine scientific TVC tube, matte texture zinc-nickel alloy chest film and high-sensitivity fiber membrane, which has good auscultation effect, even with polyester earplugs, and has supreme exterior noise reduction impact It would be widely used for cardiovascular and breathing auscultation in hospitals, clinics, faculties or homes Material: Aluminum alloy hanger, zinc nickel alloy chest piece, scientific PVC tube, polyester earplugs Size: 670mm Pipe diameter: about 11mm (0 inch) Weight: Approx (With Packaging Box ) Package include: 1*Stethoscope, 2 pairs*Extraearplugs, 1*Rubber ring Tips for utilizing your Stethoscope wisely Align the headset Before placing the eartips on your ears, make sure they level forward, faraway from you (Figure A) This ensures that the eartubes will align with your ear canals for consolation and maximum sound transmission Holding the headset in entrance of you with one eartube in each hand, pull the headset open and position the eartips into your ears (Figure B) If the fit is never comfortable,or acoustic performance is lacking, modify the headset rigidity All our stethoscopes feature adjustable headsets Gently squeeze the eartubes together to increase headset tension; pull them apart to diminish tension A Proper InsertionB Correct Positioning Wearing the headset improperly,(eartips pointing backwards, for example, as in Figure C) can lead to a deficient acoustic seal and, in some cases, complete sound blockage C Incorrect Positioning

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