Check the listing for details. Cardionics E-Scope 7700 Clinical Model Stethoscope. Condition: New. Listed at 335.00 USD. The lightweight E-Scope has a slim design to easily go around the neck when not being used. Great for general medicine for heart, breath, bruit, bowel or Korotkoff sounds. Amplifies approximately 30 times louder than normal acoustic stethoscopes. Features:Slim-line design; lighter than an acoustic stethoscopeSpecialist Adult Diaphragm: stainless-steel diaphragm produces 50% greater sound sensitivity, a more comfortable feel, and allows listener to use the split-finger techniqueFingertip control of volume and heart sound or breath sound filters are on the head of the stethoscopeVolume control on the head of the stethoscope for easy increase and decrease of sound levelsFilter control to hear heart and breath sounds clearly within their frequency rangeAutomatic volume restart remembers the last volume settingUSB-style side output jack for accessories including headphones for a second listener or connecting cables to a PC for recording purposes in electronic medical records and telemedicineIncludes a pediatric diaphragm, plastic adult diaphragm, pediatric and infant bells, and your choice of ear tipsE-Scope design reduces the amplification of unwanted outside room noiseBattery-powered by one (1) AAA batteryAutomatic shut off to conserve battery powerMaximum amplitude or sound pressure level output is 120dB at 100Hz (about 30 times louder than an acoustic stethoscope)