Medical Multiple Frequency Adjustable Cardiology Stethoscope

Key Features:Fine Tune TechnologySpinning the fine tune ring can change vibration membrane to provide the most matched clear audio on different audio frequencies.The vibration membrane is made of silicone with high sensitivity, which increases the sound by 20%.Composite MaterialAuscultation head made of gold-plated copper and aluminum alloy is reduced in weight by 1/3 and ensures excellent hearing effect.With gold-plated copper process(24k gold), the sound-collection cavity can convey sound clearly.Automatic Switch-OverChanging the pressure on auscultation head lightly can automatically switch between high frequency and low frequency.Innovative Silicon TubeExtremely flexible conduction made of silicon feels soft, smooth and resilient.The conduction can fold easily and fits in your medical garment.Ultra Comfort  EarbudsThe outline structure of the earbuds achieves a high level of compliance with auricle which can effectively insulate external noise to ensure sensitive sound and give you ultra comfort feeling after long time wearing.Specification:Function:Frequency Adjustable + Fine TuneBinaural Construction: Single LumenChestpiece Type: Single HeadChestpiece Material:Gold-Plated Copper(Interior) + Anodized Aluminum (Exterior), BlackChestpiece Weight:45.1gChestpiece Size: 49mmDiagram Material:Silicon + Epoxy / FiberglassConduction Tube Material:SiliconTotal Length:82.5cmNets Weight: 40gEarbuds Material:SiliconExtra Earbuds:Two Pairs of Earbuds with Plastic BoxAccessories: Yes  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1