Amazon affiliate links:
Tapes: https://amzn.to/3S32Pju
For some reason it would only give me an affiliate link for the tapes with crappy headphones. Make sure you select just the tapes if you don't want the headphones.
RCA to 3.5mm Cable: https://amzn.to/3IuDIDb
USBC to 3.5mm Adapter: https://amzn.to/3IpvLz1
This USBC adapter works with my phone. It may not work with yours.

As an Amazon Associate I earn from qualifying purchases.

Tape decks and receivers can be found at thrift stores everywhere! If you're wondering how to make a mixtape in the 2020s, this video should tell you everything you need to know. I show the easiest way to do it (setting up a playlist in your favorite music app and hitting play) and the hardest way (recording tracks off of individual vinyl records).