BT style 4 way plug (431A) and RJ11 plug (6P4C). Connector to Connector BT431A Plug to RJ11 Plug. Product Range Pro Signal - BT to RJ11 Leads. Cable Length - Imperial 3.2ft. Jacket Colour White.
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3.5MM Headphone Plug 3/4 Poles Stereo Male Gold Plating Audio Adapter 3.5 Hifi Speaker Earphone Jack AUX Solder Wire Connector
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Extension lead to convert a single UK BT socket to a double socket. Product Range BT431A Extension with 2 Sockets. Connector to Connector BT431A Plug to 2x BT431A Receptacle. Cable Length - Imperial 9.8ft.
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RJ11 Jack 5 Way Outlet Telephone Phone Modular Line Splitter Plug Adapter 6P4C
Aliexpress UK
High quality Kauden connectors for use with crimper. Suitable for use with 2, 4 or 6 wire cable cables.
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QYFANG 3.5mm 3/4 Pole Earphone Plug Straight Audio Jack Headphone Stereo Metal Adapter Gold Plated Copper Male Line Connector
Aliexpress UK
RJ11 Male to BT Male standard modem cable commonly called a rollover due to the wiring rolled over. RJ11 to BT Plug Standard Modem Cable Rollover Spec.
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4.4mm Jack 5 Poles Full Balanced Audio Connector Consumer Electronics Headphone Plug Speaker Terminal DIY Earphones Cable
Aliexpress UK
Allows conversion from a RJ11 port at back of hub to a BT socket.
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Dual 3.5mm to 3.5mm Jack Headphone OFC Upgrade Replacement Headphone Cable Pure Copper Plated With 5 u 24k Gold Plug 1M 2M 3M 4M
Aliexpress UK
US RJ11 Plug to a UK BT Socket Adaptor. UK BT Plug to US RJ11 Socket Adaptor. UK RJ11 Wire Colour. 2x Adapters - Allowing you to convert both ways. Off Subject : Tech. MPN: P221E.
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5Pc Gold PJ392 3.5mm Stereo Female Sockect Jack 3.5 Audio Headphone Connector Stereo Headphone Audio Video Jack Socket Plug
Aliexpress UK
RJ11 to BT Plug crossover modem cable made with copper cores for optimal conductivity. Pins are crossed over to different pins and not to be confused with a rollover which is just reversed on one end.
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XIKCU 1-5pcs/Lot Dual 3.5mm Plug Adaptor Jack Audio Headphone Converter Adapter for Airline Airplane Travel Earphone Connector
Aliexpress UK
The cable is wired to a standard 2 pin, straight through wiring specification and works with most modems. Simple plug and play operation. High quality well-made cable.
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【10-1PCS】2 /3 /4Pole Metal 3.5mm Male jack Plug Mono Stereo Audio Solder Cable Connector 3.5 earphone Headphone Repair Adapter
Aliexpress UK