I'd be any old android device without a sim and load up pocketcasts on it. You can connect to wifi to download everything and disconnect otherwise. I've used t

I'd be any old android device without a sim and load up pocketcasts on it. You can connect to wifi to download everything and disconnect otherwise. I've used the OUKITEL WP5 as a device when going on multi day hikes. 8k battery + water resistance. https://www.pocketcasts.com/ https://www.pocketcasts.com/