True wireless earbuds don't necessarily have to end up as electronic waste when their batteries reach the end of their lifespan. Fairphone demonstrates this with the Fairbuds 2, whose batteries can be easily replaced. The earbuds also offer active noise cancellation and support for Sony LDAC.
It already has a dac, so the only thing missing is the 3.5mm jack. Otherwise, where do you think the signal for the speaker comes from?