Hello, I didn't find the charging station here, but that doesn't mean anything. However, you can buy the charging station on the manufacturer's website.
Go to Settings/System/About Phone and press the Build Number 7 times to activate 'Developer Mode'.
Go to this new menu "Developer Options" and in the middle there is "Absolute Bluetooth Volume".
Part number 13488206 is for the newer model of headphones that has wireless charging while number 12817350 is an older model and does not have this feature.
It's best to contact customer service, sometimes these replacement items can be included in the range 👍
Unfortunately, the community team cannot do this.