Product details:
1. Terminal: RJ11 Crystall head, Metal connector/terminal, with Molex connector, Stripped end with tin plating. etc...
Pls see the picture for clear :
2. Conductor: 4X1/0.1, 3X1/0.1 tinsel wire or copper (26/28AWG)
Tinsel wire has much good resilience
3. Outer size: (2.4x 4.8mm) ±0.2mm
4. Optional: length and color
5. Certification: UL RoHS Directive-compliant