Seefeful RJ11 Coupler, Straight Telephone Inline Coupler RJ11 6P4C Inline Keystone Jack Female to Female Straight Telephone Cable Cord Extension Adapter (Black 5pack)

[High quality] The phone line coupler is used to connect and expand the existing two telephone lines and the phone during the box, and has an RJ11 6P4C plug for connection expansion.
[Smooth connection] It has Top quality sound quality, accurate signal transmission, easy to make use of, convenient connection and low signal attenuation coefficient.
[Wide range of use] Phone line coupler can be utilized for all telephones and fax machines, and is an assistant for place of work meetings,Premium Quality Inline Coupler for sign up for 2 RJ11 telephone lines together , Extends phone line connections.
[High-quality material] Phone line coupler Top quality PVC internal insulation, strong anti-interference ability, oxygen-free copper conductor, high-fidelity design, and exquisite craftsmanship.
[Satisfactory service] If you happen to aren’t satisfied with the phone line coupler,you’ll contact us at any time, and we will be able to serve you wholeheartedly.