Bang & and Olufsen Speaker help

[Audidave69]

Can anyone with Bang & and Olufsen Speakers tell me how the LED speaker lights work? Just wondering if these will fit my car.

https://www.ebay.co.uk/itm/Audi-A4-...050782?hash=item2f14d6499e:g:UXAAAOSwMYRaczYx

 

[RaZ A4]

When the side lights or headlights go on the strips light up.