Can't pair my OEM RC-AL2 Remote Control

I purchased a remote control OEM RC-AL2 - a replacement for the lost remote control for my Roku Stick 3810x model. For some reason I can’t pair it with the Stick, just no reaction from Roku and remote behaves like it dead. Here is the model I bought:   https://www.amazon.com/gp/product/B07VWZBZZ4/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&th=1

What could be the reason for the failure and how to fix it?

Thanks in advance for the help.