Wired headphones don't require power & just work with a simple plugging in action. Cheap Bluetooth devices have fiddly and unreliable stacks, sometimes lack e

Wired headphones don't require power & just work with a simple plugging in action. Cheap Bluetooth devices have fiddly and unreliable stacks, sometimes lack enough power to transmit reliably from my pocket to my headphones, and the necessary audio compression introduces noticeable artifacts into certain types of music.