The headphone touch sensor cap is glued onto the headphone. The only way in was to gently used a Xacto knife to break the glue seal

Once a the touch sensor cap gave a little, a Jimmy Tool was used to pry the cap from the headphone body

Since the headphone was easy to open, it may be possible to perform a battery change without damaging the headphone

Once the headphone was open, we get our first look at the inside of the headphone

Bluetooth Radio / MCU

Battery