best Dual Head Stethoscope Compared with JD-3002 adult dual head stethoscope, JD-3003D pediatric dual head stethoscope has a smaller diameter chest piece and so is proper to be used as pediatric stethoscope. Product introduction: Chest piece of JD-3003D pediatric dual head stethoscope is oxidized aluminum alloy and so can be painted in different colors, which might ease tension of kids before being diagnosed. Parameters and packing details of JD-3003D stethoscope *Diameter of chest piece 37mm *Oxidized aluminum alloy chest piece *Available chest piece colors: silver,red,yellow,green and blue *Brass binaural or aluminum alloy binaural with chromium plate *Tube color:black,gray,deep blue, light blue,deep green,light green,brown,yellow,red and violet *Packing: 1pc/box, 100 boxes/carton *Carton size: 52*40.5*23cm *Gross weight: 13kgs FAQ about JD-3003D stethoscope Question 1:What is the main difference between JD-3002 and JD-3003D Reply:Both JD-3002 and JD-3003D are normal dual head stethoscopes. The main difference is the diameter of JD-3003D is smaller than JD-3002.JD-3003D can be used in pediatric department by pediatricians. Question 2:Is JD-3003D CE certified? Reply:JD-3003D, and all of our other stethoscopes, are ISO13485 certified. Question 3:Can we pack JD-3003D in paper box with sponge, like that of JD-3005 or JD-3006? Reply:Although we can do that, we do not recommend this kind of packing,as the paper box cost will raise up the price. Question 4:Can we embellish JD-3002 with animal like plush to extinguish fears of kids? Reply:Yes. There are different types of flush tube covers for your choice. Question 5:Can we print our logo on the film of JD-3002 chest piece in two colors? Reply:We suggest one color only.Two colors need two times of printing and sometimes the printing effect is not that good. But there is no problem to print two colors or more on the paper box .best Dual Head Stethoscope website:http://www.chinasmartmed.com/stethoscope/dual-head-stethoscope/