Various connector plans, for MMCX and 2Pin earphones.
2Dual represents the structure of the cable. The conductors are Teflon coated and accurately twisted, and covered with medical grade TPU sheath, then twisted again.
This structure has the advantage of 1. Effectively shielding interference from both internal and external electrical signals. 2. Preventing the conductors from being oxidated 3. Providing an experience of comfort, good looking, and soft.