Disclaimer: I use them for audio books primarily, so you probably need some different ones for music.
The ones I currently use is: https://www.havit.hk/products/i37/ They are alright, just slow at booting up and connecting.
I buy two pairs at a time, the cover for the speaker fell off the first pair of havit's after some time and it started to crash because of moisture.
When the last havit breaks I have two pairs of: https://www.motorola.com/us/moto-sp105-sports-wireless-in-ear-headphones/p
Their plan must have been "Get fit or die trying".