Littmann Classic III S.E. Stethoscope Price in Bangladesh. Littmann Classic III S.E. Stethoscope has double-sided chestpiece technology, 1.75-inch diaphragm diameter. Monitored and assesses a wide range of patients in non-critical care settings such as a medical office, general ward, OB/GYN, ambulatory clinic, or urgent care. Recognize both normal and abnormal sounds and rhythms. Blue, burgundy, pink and Roseberry are the colors available.