The Littmann 3100 & 3200 stethoscopes offer incredible auscultation by eliminating up to 85% of distracting background noise and amplifying body sounds by up to 24 times. The built-in LCD displays frequency selection, sound leveling, battery life and your patient's heart rate. Lightweight and comfortable to use. The model 3200 offers the ability to record 12 sound tracks and pass them via blue tooth to a colleague via the windows or Mac platforms. This is the future of the stethoscope get yours today. All colors are in stock and available for for same day engraving and shipping. Order by 3 PM ET M-F, we will engrave and ship the same day.