Single sided chestpiece design with dual frequency diaphragm
- Alternate the frequency by adjusting pressure on the chestpiece
- High quality stainless steel chestpiece and headframe
- One piece binaural with adjustable headframe and integral spring
- Three pairs of ear tips, 1 hard, and 2 soft sealing (small and large)
- Available in 4 colors
- Supplied in attractive presentation box
- 4 year warranty