which is applicable for use in hospital clinic examination institution ambulance home and camping rescue etc.
Pro Double Dual Head Stethoscope Doctor Nurse Medical Healthcare FDA SC21 Black Main performance 100 Hz ~ 500 Hz as the reference of the testing sound source: Outer diameter of auscultation head ⤠35 mm damping ⤠30 dB Outer diameter of auscultation head > 35 mm damping ⤠16 dB 500 Hz ~ 1000 Hz as the reference of the testing sound source: Outer diameter of auscultation head ⤠35 mm damping ⤠25 dB Outer diameter of auscultation head > 35 mm damping ⤠20 dB Accessories 1)An instruction Certification CE FDA Main Material: Aluminum Alloy+ PVC Tube Material: PVC Instrument classification Class I Product Name SC21 Stethoscope Pro Double Dual Head Stethoscope Doctor Nurse Medical Healthcare FDA SC21 Black Dimensions: 20.Pro Double Dual Head Stethoscope Doctor Nurse Medical Healthcare FDA SC21 Intended purpose It is used to collect and amplify the sound inside body organs like heart lung arteries vein etc.0 millimeters (L) Weight: 750.