Amazon.com: Retevis Earpiece Adapter for Walkie Talkie,2 Pin to 3.5mm Headset Adapter Only Compatible RT22 RT21 RT27 RT7 H-777 H777S RT18 RT19 RT22S(Not Fit for Other Brand) 2 Way Radio (5 Pack) :
Lightning to 3.5 mm Jack headphone connector OTG Adapter - WINNER GROUP - WG
ADAPTER GNIAZDO JACK OPTYCZNY-TOSLINK MONACOR 35JT - Sklep, Opinie, Cena w Allegro.pl
Adapter Optyczny Jack 3,5mm Wtyk - Toslink Gniazdo - Niska cena na Allegro.pl
HICON Toslink Socket to Mini Plug/3.5 mm Opti Plug POF Adapter F/711: Amazon.de: Electronics & Photo