Reddit reviews MWIN Retro Highway Audio Car Cassette Tape Adapter for Travel Cassette Converter with 3.55mm Audio Cable Compatible with Mobile Phones, iPod, MP3 Players, Walkman
We found 1 Reddit comments about MWIN Retro Highway Audio Car Cassette Tape Adapter for Travel Cassette Converter with 3.55mm Audio Cable Compatible with Mobile Phones, iPod, MP3 Players, Walkman. Here are the top ones, ranked by their Reddit score.
With these two you wouldnt even need the aux input devic you linked too.
https://www.amazon.com/MWIN-Highway-Cassette-Converter-Compatible/dp/B01FZRRULY/ref=sr_1_1?ie=UTF8&qid=1466095607&sr=8-1-spons&keywords=tape+adapter&psc=1
https://www.amazon.com/XINGDONGCHI-Bluetooth-Wireless-Receiver-Headphones/dp/B01CHXPK02/ref=sr_1_10?ie=UTF8&qid=1466095699&sr=8-10&keywords=bluetooth+adapter+3.5
There is also
https://www.amazon.com/Audio-Cassette-Adapter-Bluetooth-Receiver/dp/B00I3YLHAC/ref=sr_1_1?ie=UTF8&qid=1466095792&sr=8-1&keywords=cassette+bluetooth
but it has a battery that you would have to keep charged.