Since the '80's I've been using a pair of Thunder 29's or equivalent with a good pair of earbuds jammed in the between the "cuff" that covers my ear and the insulation in the muff. Sometimes I would be using a tiny radio/mp3 player strapped to the Thunder's so cords didn't extend, lately I've a pair of Sony BT headphones I can strap to the Thunders. I've used things from cassette player to CD players hung on my hip and run the earphone line up under my shirt. I've used several phones with BT paired to BT headphones.
Lately my favorite combo is my Samsung Note 8 in my cargo pants pocket running BT to my headphones. Full fledged powerful computer in my pocket with all my tools, camera, recorder, note taking with handwriting recognition, E-reader, all my repair PDF's, network access, plus music player. Something I only dreamt of in the '80's.
At this time I've 3 or 4 pair of the Thunder earmuffs, some 20 years old. The plastic seems to harden and crack after about 15 to 20 years. I try to keep a pair near my MAJOR sound sources - One on the FEL lever, one at the sawmill, one with the chainsaws. This system has allowed me to have "flexible" sound sources, good earbuds and plenty of backup options.
And when I don't need the hearing protection I can just set the muffs aside.