Es buen profesional, recomendado!!Best one I have bought in 30 yearsI’m just a paramedic so my survey many times is done in a noisy moving ambulance or loud environment. When I was younger I used the $55 Littman classic 2 double bell and thought it was all the scope I needed. As I aged I couldn’t hear what I needed to hear and switched. This scope is like being young again lol. Crystal clear. My daughter who is a nurse finds the bell heavy when she wears it around her neck. I thought what ever but it is noticeable and I wear it only on calls not whole shift.Good qualityThis thing is soooo heavy! If you work on an ambulance this is not the stethoscope for you. I still can’t hear anything. Thought this would be better but the cheap, disposable stethoscopes were better and more clear than this one! Not worth the money.I got used to this tool and have not found one that compares in quality and fidelity. Best investment of my career as a Doctor.I debated for weeks over whether to replace my old Master Cardiology stethoscope with a Classic III or something else by Littmann. I’d never consider another manufacturer, as an MD… these are too good. But I tried the Classic III first, and I wasn’t as happy with it. This one is just the best of the non-electronic models. I’m old fashioned, prefer this to an electronic model.The burgundy isn’t my staid, professional black, but it does look nice and is still professional looking. I thought the raspberry was too loud, didn’t quite fit my aesthetic.This new one provided a sense of familiar comfort the minute I held it. It was like my old favorite, still has that heft and quality. It also has that incredible acoustic quality that I depended on before. Worth the extra money for something this important, if you’re expected to use it for more than checking a blood pressure.Superb and easy to use.It's a brilliant stethoscope, unfortunately the tubing was ripped after 1 year of using it and it costs a lot to replace it.Amazon sell these at such attractive prices and they are, of course, the best stethoscopes available. My sister-in-law, a visiting paediatrician, bought this while she was in the UK and was utterly thrilled with it since when it arrived it had paediatric adaptors included.I received the parcel only containing the stethoscope in its box but no big package nor anything . When opened , the condition was not so good and with the first use it became too dusty and sticky and decided not to use it again and return it .Veo que hay poco personal especializado revisando el fonendo, de modo que a ver si os puedo ayudar con mi opinion. Soy cardiólogo y he pasado por toda la gama de Littmann. Os puedo decir que en calidad de auscultacion no hay fonendo mejor, campana, tubo, diafragma... una delicia. Respecto a un classic 2 escucha I/VI sistólicos y III/VI diastólicos que se le escapaban, además de apreciar mejor las cualidades de soplos y crepitantes que el mismo.La unica critica: el modelo cardiology IV le pisa los talones y le supera en versatilidad. Es hora de que littman se ponga las pilas para sacar una renovada versión de su ya antaño master cardiology.Best product