Welch Allyn Master Elite Stethoscope

Ref: ST042

- Extended frequency range from 20 to 20,000 Hz
- Patented rotating earpiece design
- Battery life of over 200 hours
- Multi functional button with light indicator, 3 minute timer & digital volume control up to 93dB
- Sound enhancement filters - heart: 20 - 420Hz
lungs: 350 - 1900Hz