Aluminum or stainless steel single or dual head/machine or electronic stethoscope with amplifier

Model Number: STS-NM020(Ryan)-#2431 Brand Name: SENTANSHA Key Specifications/Special Features: Quick details:Type: stethoscope, cardiology stethoscopeCertificate: CE, FDA, ISOBrand: CaretekLogo: availableOEM: availableSingle head stethoscope: dual head stethoscopePackaging & delivery

Packaging detail:
1. Colour gift box
2. Blister card
3. PVC bag
4. Lid and tray box
5. Blister faced (both side transparent) (stethoscope)
Delivery detail: 25-40 days (stethoscope)

Specifications:

1. Cardiology stethoscope
2. With two retaining rims
3. Two membrane for adult and pediatric
4. Soft ear tip

Features:

1. Super quality stainless steel components for extended professionaluse and super clear sound transmission
2. For adult, deluxe type
3. Feature"two-tubes-in-one design" and interior spring, non-chill rimfor both with of dual head chest piece to assure patient comfort
4. Comes complete with screw-on ear-tips
5. Spare parts includes:
1 pair of comfortable firm eartips
1 pair of soft screw-on eartips
1 membrane.

Works and functions:

A. Increase the amplitude of vibration of the heart, increasing the loudness
B. changes in heartbeat frequency, so the pitch bend
C. Change the heartbeat sound, the sound nicely
D. Reduce sound transmission loss of energy