A:Answer Hi there, 1234!
That's an interesting inquiry. For more information, I would suggest calling Bose customer support, you can use this link - http://bose.life/2zw8UMT. Just select your country and scroll down to where you see "contact us". Support will be able to help give you more details on this.
I hope that you enjoy your day and thanks for asking,
- Shiloh