Black 2 Pack

[High quality] The phone line coupler is used to connect and expand the existing two telephone lines and the phone through the box, and has an RJ11 6P4C plug for connection expansion.
[High-quality material] Phone line coupler High-quality PVC internal insulation, strong anti-interference ability, oxygen-free copper conductor, high-fidelity design, and exquisite craftsmanship.
[Smooth connection] It has high-quality sound quality, accurate signal transmission, easy to use, convenient connection and low signal attenuation coefficient.