you can try using Windows PowerShell with the following steps:
Press Windows key + X and select "Windows PowerShell (Admin)."
Type the command Get-PnpDevice -Class Bluetooth and press Enter.
Find the device name of your ZVOX AV30 earbuds in the list.
Copy the "InstanceID" value for your earbuds.
Type the command Get-PnpDeviceProperty -InstanceID <InstanceID> -KeyName "DEVPKEY_Device_FriendlyName" and press Enter. Replace <InstanceID> with the value you copied.
The current name of your earbuds will be displayed in the output.
To rename your earbuds, type the command Set-PnpDevice -InstanceID <InstanceID> -FriendlyName "<NewName>" and press Enter. Replace <InstanceID> with the value you copied, and <NewName> with the new name you want to give your earbuds.
Restart your computer and check if the new name appears for your earbuds.