3M Littmann Electronic Stethoscope Model 3000

• Ambient Noise Reduction - reduction of distracting room noise by 75% -
  ideal for high noise environments such as ambulances etc.
• Hand artifact and frictional noise reduction.
• Versatile chestpiece suitable for adults, children and infants.
• 18 times sound amplification.
• Black coloured tubing.

• Runs on a single AAA battery with an expected life of around 200 hours or approximately six months average usage.

• Automated audible low battery warning to ensure correct timed replacement of battery.