JPL EHS Panasonic Adapter Cord with DS-Gender Plantronics Headsets it fits perfectly

it fits perfectly

Supports the DECT (digital enhanced cordless telephony) 1

Located on the backside of the boom

5mm Male connectors

Tough Kevlar reinforced cable

JPL EHS Panasonic Adapter Cord with DS-Gender Plantronics Headsets it fits perfectlyRJ 45 (8P8C) to 3. 5mm Plug (4 poles) Manufactured in South Korea, it is TAA Compliant Connects JPL Wireless to specific Panasonic phone model Features Electronically connects your DECT headset base to your telephone Enables remote operation, answer end calls, for wireless headset use with various phones, thus eliminating the need for a mechanical handset lifter For use with Panasonic DT543, DT546, NT553, NT556, HDV230 phone models