Product Description :
Dr. ST-01A Deluxe has Chrome chest with diaphragm. is compact with frequency a PVC It brass plated spring and ear with sound quality.
Product Details :
- Chest Piece With Special Diaphragm.
- Dual Frequency.
- Seamless PVC Tubing.
- Stainless Steel Concealed Frame.
- 100% Silicon Ear Knobs for Best Sound Quality.