https://www.amazon.com/JETech-Wireless-Transmitter-Phones-Charger/dp/B00URUJWPW/ref=mp_s_a_1_13?crid=11621ZZY7DV96&keywords=aux+fm+transmitter+for+car&qid=1684909155&sprefix=aux+fm%2Caps%2C166&sr=8-13

You have aux out on the device you want to play? Plug this into the headphone jack of a mp3 or cd player, tune the radio of the work truck to the fm frequency that it's transmitting on.