Cisco Table Microphone Extension Cable for 4-Pin CAB-MIC-EXT-J=
AxcessAbles ⅛” (3.5mm) TRS Male to ⅛” (3.5mm) TRS Female Minijack Head
Amazon.com: TNP 2.5mm Extension Cable (15 Feet) - Male to Female Adapter Extender Stereo Audio Sub Mini Subminiature Jack Adapter Wire Cord Plug Connector for Headset Headphone Microphone : Electronics
Hosa MHE-110 Headphone Extension Cable, 3.5 mm TRS to 3.5 mm TRS, 10 f – Easy Music Center