 
                    | Material | |
|---|---|
| Cap | Copper Alloy, Au Plated | 
| Rivet | Copper Alloy, Ni Plated | 
| Chain | Stainless | 
| Technical Data | |
| Characteristics | Description | 
| Durability | Screw type 500//Lock type 200 cycles insertion/extraction cycles at a maximum rate of 200cycles per hour. | 
| Thermal Shock | 5 cycles at -40° / +105°, after the test, the function and appearance can't be impacted. | 
| Waterproof Test | Submersion in water 1 meter for 30 minutes. |