Use it with BT and other UK network providers to increase the distance from phone to socket. Just plug Existing BT Type Straight Through Cable into the Female Socket and the Male BT Plug into the Wall Mounted BT Socket.
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5m/3m/1.5m Headphone Extension Cable 3.5mm Jack Male to Female 3.5mm AUX Cable Audio Stereo Extender Cord Earphone Speaker
Aliexpress UK
25m BT Socket Extension Kit - External Copper CAT5e Cable Supplied. 25m CAT5e (4 Pair) Outdoor Cable - Solid Copper Core 0.20mmSquared 24AWG. One end of the supplied outdoor rated cable should be attached to your current master socket (linebox) or another extension socket using the supplied IDC tool, the cable should then be clipped into place and run to the location where you would like your new BT extension socket.
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Headphone Splitter Cable 3.5mm Male to 2 Female Jack 3.5mm Extension Cable AUX Adapter for Phone Laptop MP3 Audio Splitter Cable
Aliexpress UK
4 x 5m RJ11 - RJ11 cables. new cables without box and tested good. black
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RJ11 To RJ45 Adapter Data Cable Telephone Male to Male M-M Modular Data Cord Handset Voice Extension Telephone Data Cable
Aliexpress UK
25m BT Socket Extension Kit. 25m 4 Way (2 Pair) Wire Reel - Solid Core 0.2mmSquared - CW1308. One end of the BT wire should be attached to your current Master Socket (linebox) or another extension socket using the supplied IDC tool, the cable should then be clipped into place and run to the location where you would like your new BT extension socket.
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Vention Jack 3.5mm Female to Female Stereo Audio Cable Gold Plated Aux Extension Cable for Headphone Laptop Phone PS3 Aux Cable
Aliexpress UK
With a flat cable design and a length of 20 m, this extension kit allows you to easily connect to distant phone sockets. Its sleek white colour adds a modern touch to your communication setup.
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1.5m/3m/5m Headphone Extension Cable 3.5mm Jack Male to Female AUX Cable Audio Stereo Extender Cord For Earphone Speaker
Aliexpress UK
The 20m DIY Telephone Extension Kit by Enviropack is a versatile and convenient solution for expanding the reach of your phone. With a 1:1 connection split/duplication, this extension cable is compatible with universal brands and models, offering a flat cable design for easy installation. The 20m cable length provides ample length for reaching distant locations, and the sleek white colour ensures a discreet and tidy appearance. Perfect for enhancing your communication setup at home or in the office. This item is preowned but never opened so brand-new in the packet.
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5m/3m/2m Headphone Audio Extension Cable 3.5mm Jack Male to Female AUX Cable Audio Stereo Extender Cord Earphones Speaker Supply
Aliexpress UK
20metre telephones extension wire in roll Clip on side in the wire I think is missing but once pushed it as long as u don’t pull it It work come out but like to be honest
eBay
1.5m/3m/5m Headphone Extension Cable 3.5mm Jack Male to Female 3.5mm AUX Cable Audio Stereo Extender Cord Earphone Speaker
Aliexpress UK
The Philex 20M DIY Telephone Extension Kit is a high-quality extension cable designed for home phone systems. With a generous length of 20m and a sleek grey colour, this kit includes an IDC connection cable with a fitted adaptor, making it easy to set up and use. The Philex brand ensures reliability and durability, making it a great choice for improving connectivity in your home phone setup.
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SUNKANDI Headphone Extension Cable, Nylon-Braided 3.5mm Male to Female Audio Extension Cord for iPhone iPad Smartphone Tablets
Aliexpress UK