Dissecting my xBox one chatpad

I accidentally bought the non-back lit chatpad for my xBox one controller but I had the intact motherboard that has LEDs on it..

I am using non-Microsoft chatpads from Dobe on my xBox-one S controller, that in turn, is connected via Bluetooth 5.0 to a Windows10 with the Controller Companion installed..

My favourite method of surfing the internet since 2015 (at the time I was using the xBox-360 controllers..