I have one IC-BK10. I got an old one from my brother. 

Problem is when i turn on the keyboard and start bluethooth channel 1,2 or 3. It turns on and blue light also flash but it doesn't show me on my devices i already triend 5 or more device to find it but it does not show any where. Also charged it for 2 hours but still no results.

It was working very well when my brother used it but i don't what happed to it when it came to me.

I guess it tries to find last connected devices and my brother lives in diffrent country. I think this keyboard tries to find my brother last paired devices. And he is not here right now so, how can i pair it to my devices.