Model :  TPR 05M ,  TPR 10M , TPR 20M , TPR 45M
Features：
- Elastic Polypropylene PVC Jacket
- Gold Plated Copper Fit Collar to provide uniform contact and strong fit Molded Body to have total air sealed capability
- Split Center Pin to ensure superior surface contact for better Sound transfer Dual PVC Jacket to protect against automotive interference (noise)
- Oxygen Free Copper to eliminate oxidation that cause Corrosion and signal loss