Finally found a cassette adapter : r/Zune

Upgrading/replacing cable on cassette to 3.5mm adapter : r/ElectronicsRepair

Aerpro Cassette to AUX Adapter

Microsoft Zune Pink 8 GB Digital Media Player Model 1125 Need Battery

Zune 120 GB Video MP3 Player (Black) : Electronics

How to Fix Constantly Ejecting Cassette Adapter

Zune 120 GB Video MP3 Player (Red) (Discontinued by Manufacturer) : Electronics

Attempting to fix Bluetooth cassette adapter : r/cassetteculture

The DLO HomeDock for Zune Review

Dehoarding and Found My Zune Stash : r/Zune

The DLO HomeDock for Zune Review

Buy 3.5mm Male AUX Audio Jack to USB 2.0 Male Charge Cable Aux to USB Adapter Cord USB to Aux Adapter, Black, 3 Feet Online at desertcartZimbabwe

Comment: The iPod is all but forgotten by Apple now, but 15 years ago it forever changed the way we listen to music - 9to5Mac

5.5 gen BOSE AUX input - Maxima Forums