✓ Precision machined stainless steel dual head chestpiece, valve stem and binaural
✓ A dual binaural spring is incorporated into the tubing to reduce bulk and weight
✓ Non-chill rings are fitted to the diaphragm and deep cone-shaped bell receivers for patients comfort
✓ Soft eartips ensure a comfortable, correct fit
✓ Two separate channels in one piece of black non-latex tubing
✓ Extra eartips and a replacement diaphragm are included