Model Number: XR-M029-028 Brand Name: Xuerui Key Specifications/Special Features: Feature:Single Head Stethoscope, Use For MedicalELITE I single stethoscope, use for medical.With zinic alloysingle head with chrome plated, special designed head for better sound correct.Design diaphragm, patented soft ear-tips.Comes with inner spring binaural, special binaural design to suit ear structure.With standard single PVC tubing, various color is available.Blister packaging or gift box packaging is available.FDA is approved.In addition to this model, we have other different models with different functions.Packing Details：1pc/foam box, 20pcs/ctn,Ctn-size:69 x36 x 24cm, G.W./N.W.: 14/13kgs