1. Material: environmental protection PC
2. Product signal: R19
3. Contact copper chip: gold-plated bifurcated chip
4. Plugging life: greater than or equal to 750 times
5. Product use: connecting telephone landline, telephone splitter, switchboard, etc
6. Chip material is pure copper, good oxidation resistance, no rust, no blackening
7. High toughness shrapnel, 180 degree bending without breaking
8. Gold-plated chip, strong conductivity, stable and not drop the line
9. Crystal heads are clear and durable
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