Generic .. .35mm 4Pcs 3.5mm Socket m Socke Plug Audio Jack Converter Headphone erter He 6.35mm Jack t Adapter Set Adapter ..

Amazon.co.uk Price: £3.16 (as of 30/06/2020 05:28 PST- Details)

Uses with audio devices
Converts a standard size mini jack plug to the larger jack plug
Ideal for headphones, hi-fi, TV, amplifiers and musical instruments etc.