Littmann Classic Ii S.E.Stethoscope (original) Brand: Littmann Model: Classic Ii S.E. Country: Usa ***free Home Delivery Anywhere In Bangladesh. Specifications: Diaphragm Typeâ??: Tunable Diaphragm Eartip Type: Soft Sealing Extra Eartipsâ??: Yes Headset Materialâ??: Wide Diameter Aerospace Alloy / Anodized Aluminum Lengthâ??: 71 Cm Net Weightâ??: 135 G Patientâ??: Adult Performanceâ??:â?? 7 Small Diaphragm Diameterâ??: 3.2 Cm